CVE-2026-48694

HIGHNVD 8.18.1
EchelonGraph scoreMEDIUM confidence

“—” beside the score: it is equal to NVD's CVSS score.

Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2026-05-26. NVD baseline CVSS 8.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: EPSS, GitHub Security Advisory, NVD CVSS v3
Trending — 3 sources updated this week
8.1EG
EchelonGraph verdictPlan a fixRemediate within your standard update timelines (the SSVC decision on this page).
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.4%CVSS: 8.1Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

FastNetMon Community Edition through 1.2.9 contains a configuration injection vulnerability in the Juniper router integration plugin. In src/juniper_plugin/fastnetmon_juniper.php, the $IP_ATTACK variable (received from argv[1]) is directly interpolated into Juniper NETCONF set-configuration commands at lines 69 and 90 without any validation or sanitization. Line 69: $conn->load_set_configuration("set routing-options static route {$IP_ATTACK} community 65535:666 discard"). Line 90: $conn->load_set_configuration("delete routing-options static route {$IP_ATTACK}/32"). An attacker who can control the IP address string can inject additional Juniper CLI configuration commands by embedding newline characters followed by arbitrary set/delete commands. This could modify the router's routing table, firewall filters, user accounts, or any other configuration element accessible via NETCONF. The impact is full router compromise.

CVSS v3
8.1
EG Score
8.1HIGHmedium confidence
EG Risk
37
EG Risk 37/100

EG Risk is EchelonGraph's 0–100 priority score. It fuses impact severity (EG Severity, the CVSS base score, never the KEV-floored or EPSS-lifted EG Score) with real-world exploitation and automatability, under weights EchelonGraph set by hand, so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner.

How it’s computed (value × EchelonGraph’s weight)
Severity81% × 45%
Impact severity (EG Severity): CVSS 8.1 of 10. Never the KEV-floored or EPSS-lifted EG Score.
Exploitation0.4% × 40%
FIRST EPSS: the 30-day exploitation probability when EchelonGraph scored this CVE.
Automatability0% × 15%
CISA's SSVC Automatable value: no (Vulnrichment).
SSVC (CISA's decision table, applied by EchelonGraph): Track at low or medium mission impact; Track* at high (mission-essential systems).
Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE.
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
0.4%
EPSS %ILE
34th
KEV
Not listed

What the EG score is made of (scorer v4.0: the three questions the 0–10 score mixes, published apart · methodology)

The EG score (8.1): severity, escalated by confirmed exploitation. This CVE's 8.1 is its impact severity (EG Severity), not escalated.

EG Severity
8.1 HIGHCVSS-B, impact only: no KEV listing, EPSS or EG-KEV tier raises it.GitHub Security Advisory CVSS
EG Likelihood
0.4% within 30 daysSource: FIRST EPSS (model v2026.06.15, score date 2026-10-17). FIRST's exploitation probability, not an EchelonGraph model.
Confirmed exploitation
None on record (CISA KEV, EG-KEV Tier 1)Reported apart from the likelihood: an observed fact, not a probability.
EG Priority
SSVC Track at medium mission impactTrack at low or medium mission impact; Track* at high (mission-essential systems).CISA BOD 26-04: 14 days if the affected system is publicly exposed; Fix on system upgrade if it is not.Each input and its source: the SSVC and BOD 26-04 blocks below.

SSVC (CISA's decision table, applied by EchelonGraph)Track at low or medium mission impact; Track* at high (mission-essential systems).

A fix is available. Apply it within your standard update timelines.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE. Mission impact is CISA's Mission & Well-being decision point, and only you can judge it. CISA's table makes it high when Mission Prevalence is Essential — the vulnerable component "directly provides capabilities that constitute at least one MEF for at least one entity" (MEF: mission essential function) — or when Public Well-Being Impact is Irreversible: "multiple fatalities are likely", the cyber-physical system "is likely lost or destroyed", "extreme or serious externalities" are imposed on other parties, or social systems such as elections or the financial grid "are destabilized and potentially collapse". CISA's decision table

BOD 26-04 (CISA's remediation timeline, Table 1)14 days if the affected system is publicly exposed; Fix on system upgrade if it is not.

In CISA KEV no (CISA's KEV catalog) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). Whether your system is publicly exposed is yours to answer. BOD 26-04 binds US Federal Civilian Executive Branch agencies; for anyone else it is CISA's published timeline, a reference rather than an obligation. The directive · how EchelonGraph applies it

Published

May 26, 2026

Last Modified

July 24, 2026

Advisory Details (2)

Auto-updated Jun 3, 2026
Patch available.
Web page

CVE-2026-48694: Juniper Router Configuration Injection in FastNetMon NETCONF Plugin | Lorikeet Security

https://lorikeetsecurity.com/blog/fastnetmon-cve-2026-48694-juniper-netconf-injection
Web page

GitHub - pavel-odintsov/fastnetmon: Very fast DDoS sensor with sFlow/Netflow/IPFIX/SPAN support · GitHub

https://github.com/pavel-odintsov/fastnetmon

Vendor Advisories for CVE-2026-48694(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Affected Packages

(3 across 3 ecosystems)
Debian:12(1)
PackageVulnerable rangeFix by version rangeDependents
fastnetmon1.2.4-2 ... 1.2.9-1 (14 versions)
  • every version on: no fix on record
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
fastnetmon1.2.8+git20250911-1, 1.2.8+git20250911-2, 1.2.8-1
  • every version up to 1.2.9-0+deb13u1: fixed in 1.2.9-0+deb13u1
—
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
fastnetmon1.2.8+git20250911-1, 1.2.8+git20250911-2, 1.2.8-1
  • every version up to 1.2.9-1: fixed in 1.2.9-1
—

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 10× in last 7d / 33× in last 30d)

Each row is a time one of our pipelines fetched, updated or re-scored this CVE. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. An arrow marks a change the record states ("CVSS v3 → 9.1"); EPSS and GHSA rows show the values recorded at that time, not what changed (EPSS values are rounded; hover one for the exact figures). Most recent first.

Showing the most recent 100 of 253 refreshes on record for this CVE.

A repeat, a row identical to one the same pipeline wrote less than 10 seconds earlier, is not a separate refresh and is not counted. None are among the latest 100 rows. The 153 oldest rows on record are not shown and were not checked, so the counts can still include repeats.

  1. 2026-10-19 16:32 UTCEPSS rescoreEPSS 0.4% · 34th percentile
  2. 2026-10-18 16:32 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
  3. 2026-10-18 03:34 UTCEG score recompute
  4. 2026-10-17 16:34 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
  5. 2026-10-17 12:16 UTCEG score recompute
  6. 2026-10-17 12:16 UTCGHSA enrichmentGHSA-f98m-cp3g-ghc5 · GitHub severity HIGH · GitHub CVSS 8.1
  7. 2026-10-16 16:42 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
  8. 2026-10-15 16:32 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
  9. 2026-10-14 16:33 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
  10. 2026-10-13 16:34 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
  11. 2026-10-12 16:34 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
  12. 2026-10-12 16:00 UTCEG score recompute
  13. 2026-10-11 19:43 UTCEG score recompute
  14. 2026-10-11 16:58 UTCEG score recompute
  15. 2026-10-11 14:22 UTCEG score recompute
  16. 2026-10-11 13:49 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
  17. 2026-10-10 20:00 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
  18. 2026-10-09 20:07 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
  19. 2026-10-08 17:12 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
  20. 2026-10-07 23:48 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
  21. 2026-10-06 15:18 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
  22. 2026-10-05 17:43 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
  23. 2026-10-04 23:22 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
  24. 2026-10-03 14:25 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
  25. 2026-10-01 19:50 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
Show 75 more
  1. 2026-09-30 15:03 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
  2. 2026-09-30 02:10 UTCOSV refresh
  3. 2026-09-28 13:51 UTCEPSS rescoreEPSS 0.4% · 32nd percentile
  4. 2026-09-27 13:48 UTCEPSS rescoreEPSS 0.4% · 32nd percentile
  5. 2026-09-26 15:59 UTCEPSS rescoreEPSS 0.4% · 32nd percentile
  6. 2026-09-26 00:27 UTCEPSS rescoreEPSS 0.4% · 32nd percentile
  7. 2026-09-23 17:53 UTCEPSS rescoreEPSS 0.2% · 14th percentile
  8. 2026-09-20 20:16 UTCEPSS rescoreEPSS 0.2% · 14th percentile
  9. 2026-09-18 19:28 UTCEPSS rescoreEPSS 0.2% · 14th percentile
  10. 2026-09-16 14:08 UTCEPSS rescoreEPSS 0.2% · 14th percentile
  11. 2026-09-16 05:15 UTCEPSS rescoreEPSS 0.2% · 14th percentile
  12. 2026-09-13 16:47 UTCEPSS rescoreEPSS 0.2% · 14th percentile
  13. 2026-09-11 14:53 UTCEPSS rescoreEPSS 0.2% · 14th percentile
  14. 2026-09-11 03:23 UTCOSV refresh
  15. 2026-09-10 09:35 UTCEPSS rescoreEPSS 0.2% · 14th percentile
  16. 2026-09-08 22:01 UTCEPSS rescoreEPSS 0.2% · 14th percentile
  17. 2026-09-07 16:01 UTCEPSS rescoreEPSS 0.2% · 14th percentile
  18. 2026-09-06 13:47 UTCEPSS rescoreEPSS 0.2% · 14th percentile
  19. 2026-09-04 05:06 UTCEPSS rescoreEPSS 0.2% · 14th percentile
  20. 2026-09-02 14:12 UTCEPSS rescoreEPSS 0.2% · 14th percentile
  21. 2026-09-01 13:54 UTCEPSS rescoreEPSS 0.2% · 14th percentile
  22. 2026-09-01 04:40 UTCEPSS rescoreEPSS 0.2% · 14th percentile
  23. 2026-08-30 19:17 UTCEPSS rescoreEPSS 0.2% · 14th percentile
  24. 2026-08-30 01:22 UTCEPSS rescoreEPSS 0.2% · 14th percentile
  25. 2026-08-28 21:41 UTCEPSS rescoreEPSS 0.2% · 14th percentile
  26. 2026-08-27 14:25 UTCEPSS rescoreEPSS 0.2% · 14th percentile
  27. 2026-08-26 14:46 UTCEPSS rescoreEPSS 0.2% · 14th percentile
  28. 2026-08-25 13:49 UTCEPSS rescoreEPSS 0.2% · 14th percentile
  29. 2026-08-23 16:26 UTCEG score recompute
  30. 2026-08-23 16:26 UTCGHSA enrichmentGHSA-f98m-cp3g-ghc5 · GitHub severity HIGH · GitHub CVSS 8.1
  31. 2026-08-23 00:19 UTCEPSS rescoreEPSS 0.2% · 14th percentile
  32. 2026-08-21 23:49 UTCEPSS rescoreEPSS 0.2% · 14th percentile
  33. 2026-08-21 21:32 UTCEG score recompute
  34. 2026-08-21 21:32 UTCGHSA enrichmentGHSA-f98m-cp3g-ghc5 · GitHub severity HIGH · GitHub CVSS 8.1
  35. 2026-08-20 22:55 UTCEPSS rescoreEPSS 0.2% · 14th percentile
  36. 2026-08-20 18:21 UTCEG score recompute
  37. 2026-08-20 18:21 UTCGHSA enrichmentGHSA-f98m-cp3g-ghc5 · GitHub severity HIGH · GitHub CVSS 8.1
  38. 2026-08-19 17:04 UTCEPSS rescoreEPSS 0.2% · 14th percentile
  39. 2026-08-18 13:48 UTCEPSS rescoreEPSS 0.2% · 14th percentile
  40. 2026-08-17 13:47 UTCEPSS rescoreEPSS 0.2% · 14th percentile
  41. 2026-08-17 09:36 UTCGHSA enrichmentGHSA-f98m-cp3g-ghc5 · GitHub severity HIGH · GitHub CVSS 8.1
  42. 2026-08-16 16:44 UTCEG score recompute
  43. 2026-08-16 16:44 UTCGHSA enrichmentGHSA-f98m-cp3g-ghc5 · GitHub severity HIGH · GitHub CVSS 8.1
  44. 2026-08-16 14:56 UTCEPSS rescoreEPSS 0.2% · 14th percentile
  45. 2026-08-16 03:09 UTCEG score recompute
  46. 2026-08-16 03:09 UTCGHSA enrichmentGHSA-f98m-cp3g-ghc5 · GitHub severity HIGH · GitHub CVSS 8.1
  47. 2026-08-16 02:14 UTCEPSS rescoreEPSS 0.2% · 14th percentile
  48. 2026-08-15 02:29 UTCEG score recompute
  49. 2026-08-15 02:29 UTCGHSA enrichmentGHSA-f98m-cp3g-ghc5 · GitHub severity HIGH · GitHub CVSS 8.1
  50. 2026-08-15 01:30 UTCEPSS rescoreEPSS 0.2% · 14th percentile
  51. 2026-08-14 14:08 UTCGHSA enrichmentGHSA-f98m-cp3g-ghc5 · GitHub severity HIGH · GitHub CVSS 8.1
  52. 2026-08-14 01:46 UTCEG score recompute
  53. 2026-08-14 01:46 UTCGHSA enrichmentGHSA-f98m-cp3g-ghc5 · GitHub severity HIGH · GitHub CVSS 8.1
  54. 2026-08-13 22:00 UTCEPSS rescoreEPSS 0.2% · 14th percentile
  55. 2026-08-13 03:04 UTCGHSA enrichmentGHSA-f98m-cp3g-ghc5 · GitHub severity HIGH · GitHub CVSS 8.1
  56. 2026-08-12 14:43 UTCEG score recompute
  57. 2026-08-12 14:43 UTCGHSA enrichmentGHSA-f98m-cp3g-ghc5 · GitHub severity HIGH · GitHub CVSS 8.1
  58. 2026-08-12 13:51 UTCEPSS rescoreEPSS 0.2% · 14th percentile
  59. 2026-08-12 02:21 UTCGHSA enrichmentGHSA-f98m-cp3g-ghc5 · GitHub severity HIGH · GitHub CVSS 8.1
  60. 2026-08-11 13:59 UTCEG score recompute
  61. 2026-08-11 13:59 UTCGHSA enrichmentGHSA-f98m-cp3g-ghc5 · GitHub severity HIGH · GitHub CVSS 8.1
  62. 2026-08-11 01:37 UTCEG score recompute
  63. 2026-08-11 01:37 UTCGHSA enrichmentGHSA-f98m-cp3g-ghc5 · GitHub severity HIGH · GitHub CVSS 8.1
  64. 2026-08-11 00:00 UTCEPSS rescoreEPSS 0.2% · 14th percentile
  65. 2026-08-10 13:16 UTCGHSA enrichmentGHSA-f98m-cp3g-ghc5 · GitHub severity HIGH · GitHub CVSS 8.1
  66. 2026-08-10 00:54 UTCEG score recompute
  67. 2026-08-10 00:54 UTCGHSA enrichmentGHSA-f98m-cp3g-ghc5 · GitHub severity HIGH · GitHub CVSS 8.1
  68. 2026-08-09 13:46 UTCEPSS rescoreEPSS 0.2% · 14th percentile
  69. 2026-08-09 12:33 UTCGHSA enrichmentGHSA-f98m-cp3g-ghc5 · GitHub severity HIGH · GitHub CVSS 8.1
  70. 2026-08-09 00:11 UTCEG score recompute
  71. 2026-08-09 00:11 UTCGHSA enrichmentGHSA-f98m-cp3g-ghc5 · GitHub severity HIGH · GitHub CVSS 8.1
  72. 2026-08-08 16:37 UTCEPSS rescoreEPSS 0.2% · 14th percentile
  73. 2026-08-08 10:57 UTCGHSA enrichmentGHSA-f98m-cp3g-ghc5 · GitHub severity HIGH · GitHub CVSS 8.1
  74. 2026-08-07 22:34 UTCEG score recompute
  75. 2026-08-07 22:34 UTCGHSA enrichmentGHSA-f98m-cp3g-ghc5 · GitHub severity HIGH · GitHub CVSS 8.1

Frequently asked(5)

What is CVE-2026-48694?
CVE-2026-48694 is a high-severity vulnerability; its CVE record was published on May 26, 2026. FastNetMon Community Edition through 1.2.9 contains a configuration injection vulnerability in the Juniper router integration plugin. In src/juniperplugin/fastnetmonjuniper.php, the $IPATTACK variable (received from argv[1]) is directly interpolated into Juniper NETCONF set-configuration commands…
When was the CVE record for CVE-2026-48694 published?
The CVE record for CVE-2026-48694 was published on May 26, 2026. That is the record's publication date; the vulnerability itself may have been made public earlier. EchelonGraph's copy of the record carries a last-modified date of July 24, 2026; the record at its source may have been updated since.
Is CVE-2026-48694 actively exploited?
CVE-2026-48694 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.4% probability of exploitation in the next 30 days (34th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-48694?
CVE-2026-48694 has a CVSS v3 base score of 8.1 (NVD).
How do I remediate CVE-2026-48694?
A fix for CVE-2026-48694 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-48694 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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