CVSS 3.1
9.6 criticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:HCVE-2026-126254 fortinet fortios: Numeric Truncation Error
Critical (9.6) in fortinet fortios. EPSS 0.5% estimated probability of exploitation activity in the next 30 days.
A numeric truncation error vulnerability in Fortinet FortiOS 8.0.0 through 8.0.1, FortiOS 7.6.0 through 7.6.7, FortiOS 7.4.0 through 7.4.12, FortiOS 7.2.0 through 7.2.13 may allow a configured ibgp neighbor to send malicious/malformed attributes to all connected routers via a specially crafted request
Severity
- EPSS
- 0.5% estimated probability of exploitation activity in the next 30 days; 41st percentile. Scored 2026-11-13. A forecast for this CVE across the internet, not for your own systems.
- CISA's assessment (SSVC)
- Exploitation: none · Automatable: no · Technical impact: partial, assessed 2026-11-12. From CISA's Vulnrichment in the CVE List: whether it is exploited, whether exploiting it can be automated, and how much control it gives.
- CWE
- CWE-197 Numeric Truncation Error
- Published
- Modified
- Assigned by
- fortinet (CNA)
- NVD analysis
- Awaiting analysis
- Record from
- the NVD, synced
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Affected
Versions
From the CNA's record in the CVE List.
| Product | Affected |
|---|---|
| Fortinet FortiOS | from 8.0.0 through 8.0.1 |
| Fortinet FortiOS | from 7.6.0 through 7.6.7 |
| Fortinet FortiOS | from 7.4.0 through 7.4.12 |
| Fortinet FortiOS | from 7.2.0 through 7.2.13 |