CVE-2026-126254
Summary
| CVE | CVE-2026-126254 |
|---|---|
| State | PUBLISHED |
| Assigner | fortinet |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-11-11 22:17:25 UTC |
| Updated | 2026-11-11 22:17:25 UTC |
| Description | 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 |
Risk And Classification
Primary CVSS: v3.1 9.6 CRITICAL from [email protected]
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H
Problem Types: CWE-197 | CWE-197 Denial of service
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Secondary | 9.6 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H |
| 3.1 | CNA | CVSS | 9.6 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H/E:F/RL:O/RC:C |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
LowUser Interaction
NoneScope
ChangedConfidentiality
NoneIntegrity
HighAvailability
HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| fortiguard.fortinet.com/psirt/FG-IR-26-268 | [email protected] | fortiguard.fortinet.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Additional Advisory Data
Solutions
CNA: Upgrade to FortiOS version 8.0.2 or above Upgrade to FortiOS version 7.6.8 or above Upgrade to FortiOS version 7.4.13 or above Upgrade to FortiOS version 7.2.14 or above
There are currently no legacy QID mappings associated with this CVE.