CVE-2026-5107 — MEDIUM (4.2)

Vulnerability Description

A vulnerability has been found in FRRouting FRR up to 10.5.1. This affects the function process_type2_route of the file bgpd/bgp_evpn.c of the component EVPN Type-2 Route Handler. The manipulation leads to improper access controls. The attack can be initiated remotely. The attack is considered to have high complexity. The exploitability is reported as difficult. The identifier of the patch is 7676cad65114aa23adde583d91d9d29e2debd045. To fix this issue, it is recommended to deploy a patch.

CVSS Score

4.2

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

LOW

Availability

LOW

Affected Products

Vendor	Product	Versions
Frrouting	Frrouting	10.5.0

Related Weaknesses (CWE)

CWE-266 CWE-284

References

https://github.com/FRRouting/frr/Product
https://github.com/FRRouting/frr/commit/7676cad65114aa23adde583d91d9d29e2debd045Patch
https://github.com/FRRouting/frr/pull/21098Issue TrackingPatch
https://vuldb.com/submit/780123Third Party AdvisoryVDB Entry
https://vuldb.com/vuln/354132Third Party AdvisoryVDB Entry
https://vuldb.com/vuln/354132/ctiPermissions RequiredVDB Entry

FAQ

What is CVE-2026-5107?

CVE-2026-5107 is a vulnerability with a CVSS score of 4.2 (MEDIUM). A vulnerability has been found in FRRouting FRR up to 10.5.1. This affects the function process_type2_route of the file bgpd/bgp_evpn.c of the component EVPN Type-2 Route Handler. The manipulation lea...

How severe is CVE-2026-5107?

CVE-2026-5107 has been rated MEDIUM with a CVSS base score of 4.2/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-5107?

Check the references section above for vendor advisories and patch information. Affected products include: Frrouting Frrouting.