CVE-2025-25249

CRITICALNVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score elevated to 9.8 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2026-09-09), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 9.8 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — KEV-added this weekExploited in the wild
9.8EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • 5 internet-exposed hosts are running an affected version right now
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 2%CVSS: 9.8Exploit: cisa kev · ssvc activeExposed: 5

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

A heap-based buffer overflow 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, FortiOS 7.0.0 through 7.0.17, FortiOS 6.4 all versions, FortiSwitchManager 7.2.0 through 7.2.6, FortiSwitchManager 7.0.0 through 7.0.5 allows attacker to execute unauthorized code or commands via specially crafted packets

Live · internet exposure

5 internet-exposed hosts are running an affected version of CVE-2025-25249 right now.

across 3 countries (Indonesia, Thailand, Germany)top: fortios
See the live KEV-Exposure radar →Found passively from public internet-scan data — aggregate, host-redacted.

EchelonGraph is the only CVE feed that fuses live vulnerability intelligence with its own live internet-exposure radar — so you see not just that a CVE is exploited, but how much of the internet is exposed to it right now.

CVSS v3
9.8
EG Score
9.8(high)
EG Risk
84(Attend)
EG Risk 84/100SSVC: Attend

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
Severity98% × 45%
Exploitation100% × 40%
Automatability0% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
2%
EPSS %ILE
83%
KEV
⚠ Exploited

Published

January 13, 2026

Last Modified

September 10, 2026

Advisory Details (4)

Auto-updated Sep 17, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: cisa.
cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-25249
generic🔴 Active Exploitation

CVE-2025-25249 Exploitation Delivers PivotC2, a FortiGate Post-Exploitation RAT

https://socradar.io/blog/cve-2025-25249-pivotc2-fortigate-rat/
generic

SSA-864900

https://cert-portal.siemens.com/productcert/html/ssa-864900.html
generic

Just a moment

https://fortiguard.fortinet.com/psirt/FG-IR-25-084

Vendor Advisories for CVE-2025-25249(1)

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

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 62× in last 7d / 127× 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 260 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2025-25249?
CVE-2025-25249 is a critical vulnerability published on January 13, 2026. A heap-based buffer overflow 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, FortiOS 7.0.0 through 7.0.17, FortiOS 6.4 all versions, FortiSwitchManager 7.2.0 through 7.2.6, FortiSwitchManager 7.0.0 through 7.0.5 allows attacker to…
When was CVE-2025-25249 disclosed?
CVE-2025-25249 was first published in the National Vulnerability Database on January 13, 2026, with the most recent update on September 10, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-25249 actively exploited?
Yes. CISA added CVE-2025-25249 to the Known Exploited Vulnerabilities catalog on September 9, 2026, affecting Fortinet Multiple Products. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2025-25249?
CVE-2025-25249 has a CVSS v3 base score of 9.8 (NVD).
Which products are affected by CVE-2025-25249?
CVE-2025-25249 affects Fortinet Multiple Products. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2025-25249?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-25249, 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-2025-25249

Explore →

Is Your Infrastructure Affected by CVE-2025-25249?

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

Start Free Scan →Browse All CVEs