CVE-2018-25423

MEDIUMNVD 6.26.2—
EchelonGraph scoreMEDIUM confidence

Score 6.2 from GitHub Security Advisory published 2026-05-30. NVD baseline CVSS 6.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
6.2EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.2Exploit: Elevated riskExposed: 0

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

Arm Whois 3.11 contains a buffer overflow vulnerability that allows local attackers to crash the application by supplying an oversized input string. Attackers can paste a malicious buffer of 700 bytes into the IP address or domain input field to trigger a denial of service condition.

CVSS v3
6.2
EG Score
6.2(medium)
EG Risk
44(Track)
EG Risk 44/100SSVC: 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
Severity62% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
4%
KEV
Not listed

Published

May 30, 2026

Last Modified

July 22, 2026

Advisory Details (3)

Auto-updated May 30, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic

Arm Whois 3.11 Denial of Service via Buffer Overflow | Advisories | VulnCheck

https://www.vulncheck.com/advisories/arm-whois-denial-of-service-via-buffer-overflow
generic🟡 PoC Available

Arm Whois 3.11 - Denial of Service (PoC) - Windows_x86 dos Exploit

https://www.exploit-db.com/exploits/45762
generic

Host and City Location on the World Map

http://www.armcode.com/

Vendor Advisories for CVE-2018-25423(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 4× in last 7d / 50× 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 188 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2018-25423?
CVE-2018-25423 is a medium vulnerability published on May 30, 2026. Arm Whois 3.11 contains a buffer overflow vulnerability that allows local attackers to crash the application by supplying an oversized input string. Attackers can paste a malicious buffer of 700 bytes into the IP address or domain input field to trigger a denial of service condition.
When was CVE-2018-25423 disclosed?
CVE-2018-25423 was first published in the National Vulnerability Database on May 30, 2026, with the most recent update on July 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2018-25423 actively exploited?
CVE-2018-25423 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 96.4% of all scored CVEs.
What is the CVSS score of CVE-2018-25423?
CVE-2018-25423 has a CVSS v3 base score of 6.2 (NVD).
How do I remediate CVE-2018-25423?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-25423, 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.

Dependency Blast Radius

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