CVE-2026-15427

HIGHNVD 8.18.1—
EchelonGraph scoreMEDIUM confidence

Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2026-07-14. NVD baseline CVSS 8.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
8.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 8.1Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

An OS command injection vulnerability exists in the TR-069 / CWMP management interface of Archer VX1800v v1 due to insufficient input validation and sanitization of parameters, allowing crafted input to be executed as system-level commands. Exploitation requires specific conditions such as TR-069 being enabled and ability to influence ACS-delivered commands, compromise or control an ACS server.

Successful exploitation may allow arbitrary command execution with root privileges, resulting in complete compromise of the device.

CVSS v3
8.1
EG Score
8.1(medium)
EG Risk
37(Track)
EG Risk 37/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity81% × 45%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
44%
KEV
Not listed

Published

July 14, 2026

Last Modified

August 6, 2026

Advisory Details (2)

Auto-updated Jul 14, 2026
No patch confirmed yet.
generic

Security Advisory: Multiple Vulnerabilities in TP-Link Archer VX1800v (CVE-2026-15427, CVE-2026-15428 & CVE-2026-15429)

https://www.tp-link.com/us/support/faq/5189/
generic

Download for Archer VX1800v | TP-Link

https://www.tp-link.com/en/support/download/archer-vx1800v/#Firmware

Vendor Advisories for CVE-2026-15427(1)

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

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 19× in last 7d / 110× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. 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. Most recent first.

Showing the most recent 100 of 150 total refreshes for this CVE.

  1. 2026-08-30 05:19 UTCEG score recompute
  2. 2026-08-30 05:18 UTCGHSA enrichment
  3. 2026-08-30 01:22 UTCEPSS rescore
  4. 2026-08-28 21:41 UTCEPSS rescore
  5. 2026-08-27 21:33 UTCEG score recompute
  6. 2026-08-27 21:33 UTCGHSA enrichment
  7. 2026-08-27 14:25 UTCEPSS rescore
  8. 2026-08-27 03:10 UTCEG score recompute
  9. 2026-08-27 03:10 UTCGHSA enrichment
  10. 2026-08-26 14:46 UTCEPSS rescore
  11. 2026-08-26 14:27 UTCGHSA enrichment
  12. 2026-08-26 01:43 UTCEG score recompute
  13. 2026-08-26 01:43 UTCGHSA enrichment
  14. 2026-08-25 13:48 UTCEPSS rescore
  15. 2026-08-25 09:32 UTCGHSA enrichment
  16. 2026-08-24 20:46 UTCEG score recompute
  17. 2026-08-24 20:46 UTCGHSA enrichment
  18. 2026-08-24 08:07 UTCGHSA enrichment
  19. 2026-08-23 19:15 UTCGHSA enrichment
  20. 2026-08-23 06:37 UTCEG score recompute
  21. 2026-08-23 06:37 UTCGHSA enrichment
  22. 2026-08-23 00:19 UTCEPSS rescore
  23. 2026-08-22 17:58 UTCGHSA enrichment
  24. 2026-08-22 05:19 UTCEG score recompute
  25. 2026-08-22 05:19 UTCGHSA enrichment
Show 75 more
  1. 2026-08-21 23:49 UTCEPSS rescore
  2. 2026-08-21 16:40 UTCGHSA enrichment
  3. 2026-08-21 03:31 UTCEG score recompute
  4. 2026-08-21 03:31 UTCGHSA enrichment
  5. 2026-08-20 22:55 UTCEPSS rescore
  6. 2026-08-20 14:39 UTCGHSA enrichment
  7. 2026-08-20 01:05 UTCEG score recompute
  8. 2026-08-20 01:05 UTCGHSA enrichment
  9. 2026-08-19 17:03 UTCEPSS rescore
  10. 2026-08-19 12:16 UTCGHSA enrichment
  11. 2026-08-18 22:58 UTCEG score recompute
  12. 2026-08-18 22:58 UTCGHSA enrichment
  13. 2026-08-18 13:48 UTCEPSS rescore
  14. 2026-08-18 10:20 UTCGHSA enrichment
  15. 2026-08-17 21:28 UTCEG score recompute
  16. 2026-08-17 21:28 UTCGHSA enrichment
  17. 2026-08-17 13:47 UTCEPSS rescore
  18. 2026-08-17 08:09 UTCGHSA enrichment
  19. 2026-08-16 19:31 UTCEG score recompute
  20. 2026-08-16 19:31 UTCGHSA enrichment
  21. 2026-08-16 14:56 UTCEPSS rescore
  22. 2026-08-16 06:16 UTCEG score recompute
  23. 2026-08-16 06:16 UTCGHSA enrichment
  24. 2026-08-16 02:14 UTCEPSS rescore
  25. 2026-08-15 17:38 UTCGHSA enrichment
  26. 2026-08-15 04:59 UTCEG score recompute
  27. 2026-08-15 04:59 UTCGHSA enrichment
  28. 2026-08-15 01:30 UTCEPSS rescore
  29. 2026-08-14 16:20 UTCGHSA enrichment
  30. 2026-08-14 03:42 UTCEG score recompute
  31. 2026-08-14 03:42 UTCGHSA enrichment
  32. 2026-08-13 22:00 UTCEPSS rescore
  33. 2026-08-13 15:03 UTCGHSA enrichment
  34. 2026-08-13 02:24 UTCEG score recompute
  35. 2026-08-13 02:24 UTCGHSA enrichment
  36. 2026-08-12 13:50 UTCEPSS rescore
  37. 2026-08-12 13:46 UTCGHSA enrichment
  38. 2026-08-12 01:07 UTCEG score recompute
  39. 2026-08-12 01:07 UTCGHSA enrichment
  40. 2026-08-11 13:42 UTCEPSS rescore
  41. 2026-08-11 12:28 UTCEG score recompute
  42. 2026-08-11 12:28 UTCGHSA enrichment
  43. 2026-08-11 00:00 UTCEPSS rescore
  44. 2026-08-10 23:45 UTCGHSA enrichment
  45. 2026-08-10 11:06 UTCGHSA enrichment
  46. 2026-08-09 22:27 UTCEG score recompute
  47. 2026-08-09 22:27 UTCGHSA enrichment
  48. 2026-08-09 13:46 UTCEPSS rescore
  49. 2026-08-09 09:48 UTCGHSA enrichment
  50. 2026-08-08 21:10 UTCEG score recompute
  51. 2026-08-08 21:10 UTCGHSA enrichment
  52. 2026-08-08 16:37 UTCEPSS rescore
  53. 2026-08-08 08:31 UTCGHSA enrichment
  54. 2026-08-07 19:53 UTCEG score recompute
  55. 2026-08-07 19:53 UTCGHSA enrichment
  56. 2026-08-07 07:14 UTCGHSA enrichment
  57. 2026-08-06 18:35 UTCEG score recompute▼ 0.50
  58. 2026-08-06 18:35 UTCGHSA enrichment
  59. 2026-08-06 18:35 UTCNVD updateCVSS v3 → 8.1
  60. 2026-08-06 16:41 UTCEG score recompute
  61. 2026-08-06 16:41 UTCGHSA enrichment
  62. 2026-08-06 13:46 UTCEPSS rescore
  63. 2026-08-06 04:02 UTCEG score recompute
  64. 2026-08-06 04:02 UTCGHSA enrichment
  65. 2026-08-05 19:17 UTCEPSS rescore
  66. 2026-08-05 15:23 UTCGHSA enrichment
  67. 2026-08-05 02:03 UTCEG score recompute
  68. 2026-08-05 02:03 UTCGHSA enrichment
  69. 2026-08-04 15:10 UTCEPSS rescore
  70. 2026-08-04 13:23 UTCEG score recompute
  71. 2026-08-04 13:23 UTCGHSA enrichment
  72. 2026-08-04 10:38 UTCEPSS rescore
  73. 2026-08-03 22:31 UTCEG score recompute
  74. 2026-08-03 22:31 UTCGHSA enrichment
  75. 2026-08-03 10:35 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-15427?
CVE-2026-15427 is a high vulnerability published on July 14, 2026. An OS command injection vulnerability exists in the TR-069 / CWMP management interface of Archer VX1800v v1 due to insufficient input validation and sanitization of parameters, allowing crafted input to be executed as system-level commands. Exploitation requires specific conditions such as TR-069…
When was CVE-2026-15427 disclosed?
CVE-2026-15427 was first published in the National Vulnerability Database on July 14, 2026, with the most recent update on August 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-15427 actively exploited?
CVE-2026-15427 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 56.3% of all scored CVEs.
What is the CVSS score of CVE-2026-15427?
CVE-2026-15427 has a CVSS v3 base score of 8.1 (NVD).
How do I remediate CVE-2026-15427?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-15427, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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