CVE-2026-126254

Name of the Vulnerable Software and Affected Versions FortiOS versions 8.0.0 through 8.0.1 FortiOS versions 7.6.0 through 7.6.7 FortiOS versions 7.4.0 through 7.4.12 FortiOS versions 7.2.0 through 7.2.13

Description A numeric truncation error exists in the Border Gateway Protocol (BGP) implementation. This issue allows a configured ibgp neighbor to send specially crafted requests containing malformed attributes, which can lead to the tampering of routing data across all connected routers.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.