CVE-2026-5107

MEDIUM

FRRouting FRR EVPN Type-2 Route bgp_evpn.c process_type2_route access control

Title source: cna
STIX 2.1

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.

References (6)

Core 6
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-354132 | FRRouting FRR EVPN Type-2 Route bgp_evpn.c process_type2_route access control
https://vuldb.com/vuln/354132
Signature, Permissions Required signature permissions-required
VDB-354132 | CTI Indicators (IOB, IOC, TTP, IOA)
https://vuldb.com/vuln/354132/cti
Third Party Advisory third-party-advisory
Submit #780123 | FRRouting FRR 10.5.1 Improper Input Validation
https://vuldb.com/submit/780123
Patch issue-tracking patch
https://github.com/FRRouting/frr/pull/21098

Scores

CVSS v3 4.2
EPSS 0.0028
EPSS Percentile 19.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-266 CWE-284
Status published
Products (4)
FRRouting/FRR 10.5.0
FRRouting/FRR 10.5.1
frrouting/frrouting 10.5.0
frrouting/frrouting 10.5.1
Published Mar 30, 2026
Tracked Since Mar 30, 2026