CVE-2026-37458

Description

Missing input validation in the MP_REACH_NLRI component of FRRouting (FRR) stable/10.0 to stable/10.6 allows authenticated attackers to cause a Denial of Service (DoS) via supplying a crafted UPDATE message.

References

• https://github.com/FRRouting/frr/commit/8102a8aeceb9f86fdfe1f80cd77080522bab69c8
• https://github.com/mertsatilmaz/vulnerability-research/blob/main/advisories/CVE-2026-36365.md