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CVE-2026-5107

Disclosed 2026-03-30

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.

Severity & CVSS Score

Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L/E:X/RL:O/RC:C

Weakness Enumeration

CWE-ID	Name
CWE-284	Improper Access Controls
CWE-266	Incorrect Privilege Assignment

Affected FRR Versions

• 10.5.0
• 10.5.1

Versions prior to 10.0 are end-of-life and no longer receive security updates.

References

URL	Source
https://vuldb.com/vuln/354132	vuldb.com
https://vuldb.com/vuln/354132/cti	vuldb.com
https://vuldb.com/submit/780123	vuldb.com
https://github.com/FRRouting/frr/pull/21098	GitHub
https://github.com/FRRouting/frr/commit/7676cad65114aa23adde583d91d9d29e2debd045	GitHub
https://github.com/FRRouting/frr/	GitHub

Git Fixes

• 7676cad65114aa23adde583d91d9d29e2debd045
• 36f4098738627d724a72d37ef660a5d8eb1e8020
• 52c72c5ad8ccb491a9bab096002072667089d2d3
• 8f3f7ec6acd0ad14018f1c7a7a1e653266929f09
• 59d4c4a0b8e265bc6bdaa775ce8c3deb4a77a8e2
• 129d382db947c87d6ab9a88bcf2f3b31c864eb05
• 3b57d45e93b540548a7ffc9df1e46e539ab26e72
• 8b64a11f68962cf46396c636f49e121252f631c5

Raw Data

• CVE-2026-5107.cve.json — CVE record (JSON)
• CVE-2026-5107.frr.json — FRR-specific data (JSON)