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
Trending — 3 sources updated this weekElevated
6.2
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.2Exploit: NoneExposed: 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)
EPSS
3.7%
KEV
Not listed

Published

May 30, 2026

Last Modified

June 1, 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 16× in last 7d / 76× 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 129 total refreshes for this CVE.

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

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 June 1, 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 3.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
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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