Home/CVE/A vulnerability has been found in FRRouting FRR up to 10.5.1. This affects the function process_type2_route of the file
CVE

CVE-2026-5107

A vulnerability has been found in FRRouting FRR up to 10.5.1. This affects the function process_type2_route of the file

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.

MEDIUM · CVSS 4.2 EPSS 0.00016
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-266Incorrect Privilege Assignment
CWE-284Improper Access Control
▤

Affected Products & Versions

1
frroutingall versions
▣

Scoring & Timeline

4.2
MEDIUM · CVSS v3.1 · cna@vuldb.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD30 Mar 2026 · 06:16 AM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

5
suse-csafopenSUSE-SU-2026:20682-1
suse-csafSUSE-SU-2026:21550-1
suse-csafopenSUSE-SU-2026:10606-1
usnUSN-8175-1
msrcCVE-2026-5107
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
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
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