CVE-2025-53844

HIGHPre-NVD 8.38.8▲
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-05-12. a secondary CVSS source baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
8.3
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 8.3Exploit: NoneExposed: 0

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

A out-of-bounds write vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2.0 through 7.2.11 allows attacker to execute unauthorized code or commands via specially crafted packets.

CVSS v3
8.3
EG Score
8.8(medium)
EPSS
43.0%
KEV
Not listed

Published

May 12, 2026

Last Modified

July 14, 2026

Advisory Details (1)

Auto-updated May 12, 2026
No patch confirmed yet.
generic

PSIRT | FortiGuard Labs

https://fortiguard.fortinet.com/psirt/FG-IR-26-123

Vendor Advisories for CVE-2025-53844(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 11× in last 7d / 58× 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 177 total refreshes for this CVE.

  1. 2026-07-15 16:57 UTCEPSS rescore
  2. 2026-07-15 16:57 UTCEPSS rescore
  3. 2026-07-15 01:59 UTCEPSS rescore
  4. 2026-07-15 01:59 UTCEPSS rescore
  5. 2026-07-13 22:29 UTCEPSS rescore
  6. 2026-07-13 06:12 UTCEPSS rescore
  7. 2026-07-13 06:12 UTCEPSS rescore
  8. 2026-07-12 05:46 UTCEPSS rescore
  9. 2026-07-11 08:27 UTCEPSS rescore
  10. 2026-07-11 08:27 UTCEPSS rescore
  11. 2026-07-09 19:09 UTCEPSS rescore
  12. 2026-07-08 15:15 UTCEPSS rescore
  13. 2026-07-08 13:20 UTCMITRE cvelistV5CVSS v3 → 8.3
  14. 2026-07-07 13:45 UTCEPSS rescore
  15. 2026-07-06 16:27 UTCEPSS rescore
  16. 2026-07-06 16:27 UTCEPSS rescore
  17. 2026-07-06 02:23 UTCEPSS rescore
  18. 2026-07-06 02:23 UTCEPSS rescore
  19. 2026-07-05 02:30 UTCEPSS rescore
  20. 2026-07-04 06:30 UTCEPSS rescore
  21. 2026-07-02 17:01 UTCEPSS rescore
  22. 2026-07-01 15:06 UTCEPSS rescore
  23. 2026-06-30 23:22 UTCEPSS rescore
  24. 2026-06-29 14:06 UTCEPSS rescore
  25. 2026-06-29 14:06 UTCEPSS rescore
Show 75 more
  1. 2026-06-28 14:07 UTCEPSS rescore
  2. 2026-06-28 14:07 UTCEPSS rescore
  3. 2026-06-28 04:55 UTCEPSS rescore
  4. 2026-06-28 02:18 UTCEG score recompute
  5. 2026-06-28 02:18 UTCGHSA enrichment
  6. 2026-06-27 08:56 UTCEG score recompute
  7. 2026-06-27 08:56 UTCGHSA enrichment
  8. 2026-06-27 03:08 UTCEPSS rescore
  9. 2026-06-27 03:08 UTCEPSS rescore
  10. 2026-06-26 20:52 UTCEG score recompute
  11. 2026-06-26 20:52 UTCGHSA enrichment
  12. 2026-06-25 21:59 UTCEG score recompute
  13. 2026-06-25 21:59 UTCGHSA enrichment
  14. 2026-06-25 13:49 UTCEPSS rescore
  15. 2026-06-24 14:04 UTCEPSS rescore
  16. 2026-06-24 14:04 UTCEPSS rescore
  17. 2026-06-23 21:32 UTCEPSS rescore
  18. 2026-06-22 14:25 UTCEPSS rescore
  19. 2026-06-21 14:56 UTCEPSS rescore
  20. 2026-06-21 14:56 UTCEPSS rescore
  21. 2026-06-21 01:59 UTCEPSS rescore
  22. 2026-06-21 01:59 UTCEPSS rescore
  23. 2026-06-19 19:25 UTCEPSS rescore
  24. 2026-06-19 19:25 UTCEPSS rescore
  25. 2026-06-18 17:52 UTCEPSS rescore
  26. 2026-06-18 17:52 UTCEPSS rescore
  27. 2026-06-17 17:52 UTCEPSS rescore
  28. 2026-06-17 00:06 UTCEG score recompute
  29. 2026-06-17 00:06 UTCGHSA enrichment
  30. 2026-06-16 17:52 UTCEPSS rescore
  31. 2026-06-16 17:52 UTCEPSS rescore
  32. 2026-06-16 06:33 UTCEG score recompute
  33. 2026-06-16 06:33 UTCGHSA enrichment
  34. 2026-06-15 17:48 UTCEPSS rescore
  35. 2026-06-15 01:12 UTCEG score recompute
  36. 2026-06-15 01:12 UTCGHSA enrichment
  37. 2026-06-14 23:17 UTCEPSS rescore
  38. 2026-06-14 13:08 UTCEG score recompute
  39. 2026-06-14 13:08 UTCGHSA enrichment
  40. 2026-06-14 00:55 UTCEG score recompute
  41. 2026-06-14 00:55 UTCGHSA enrichment
  42. 2026-06-13 23:00 UTCEPSS rescore
  43. 2026-06-12 23:11 UTCEPSS rescore
  44. 2026-06-12 22:53 UTCEG score recompute
  45. 2026-06-12 22:53 UTCGHSA enrichment
  46. 2026-06-12 10:48 UTCEG score recompute
  47. 2026-06-12 10:48 UTCGHSA enrichment
  48. 2026-06-11 22:42 UTCEG score recompute
  49. 2026-06-11 22:42 UTCGHSA enrichment
  50. 2026-06-11 14:00 UTCEPSS rescore
  51. 2026-06-11 14:00 UTCEPSS rescore
  52. 2026-06-11 10:38 UTCEG score recompute
  53. 2026-06-11 10:38 UTCGHSA enrichment
  54. 2026-06-10 22:33 UTCEG score recompute
  55. 2026-06-10 22:33 UTCGHSA enrichment
  56. 2026-06-10 22:18 UTCEPSS rescore
  57. 2026-06-10 22:18 UTCEPSS rescore
  58. 2026-06-10 13:22 UTCEPSS rescore
  59. 2026-06-10 13:22 UTCEPSS rescore
  60. 2026-06-10 10:29 UTCEG score recompute
  61. 2026-06-10 10:29 UTCGHSA enrichment
  62. 2026-06-09 22:24 UTCEG score recompute
  63. 2026-06-09 22:24 UTCGHSA enrichment
  64. 2026-06-09 10:41 UTCMITRE cvelistV5CVSS v3 → 8.8
  65. 2026-06-09 10:41 UTCNVD updateCVSS v3 → 8.8
  66. 2026-06-09 10:05 UTCMITRE cvelistV5CVSS v3 → 8.3
  67. 2026-06-09 08:19 UTCEG score recompute
  68. 2026-06-09 08:19 UTCGHSA enrichment
  69. 2026-06-08 20:14 UTCEG score recompute
  70. 2026-06-08 20:14 UTCGHSA enrichment
  71. 2026-06-08 14:16 UTCEPSS rescore
  72. 2026-06-08 14:16 UTCEPSS rescore
  73. 2026-06-08 07:34 UTCEG score recompute
  74. 2026-06-08 07:33 UTCGHSA enrichment
  75. 2026-06-07 19:29 UTCEG score recompute

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2025-53844?
CVE-2025-53844 is a high vulnerability published on May 12, 2026. A out-of-bounds write vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2.0 through 7.2.11 allows attacker to execute unauthorized code or commands via specially crafted packets.
When was CVE-2025-53844 disclosed?
CVE-2025-53844 was first published in the National Vulnerability Database on May 12, 2026, with the most recent update on July 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-53844 actively exploited?
CVE-2025-53844 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 43.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2025-53844?
CVE-2025-53844 has a CVSS v4.0 base score of 8.3 (CNA self-assessment; NVD's own analysis pending). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 8.8.
How do I remediate CVE-2025-53844?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-53844, 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

Explore the affected products and dependency analysis for CVE-2025-53844

Explore →

Is Your Infrastructure Affected by CVE-2025-53844?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs