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CVE-2026-5107— FRRouting FRR EVPN Type-2 Route bgp_evpn.c process_type2_route access control

Quick assessment

Affected
FRRouting FRR
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

FRRouting是FRRouting开源的一种在类 Unix 平台上运行的网络路由软件套件。 FRRouting 10.5.1及之前版本存在访问控制错误漏洞，该漏洞源于对文件bgpd/bgp_evpn.c中函数process_type2_route的错误操作，可能导致访问控制不当。

CVSS 4.2 · Medium EPSS 0.37% · P28
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I. Basic Information for CVE-2026-5107

Vulnerability Information
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Vulnerability Title
FRRouting FRR EVPN Type-2 Route bgp_evpn.c process_type2_route access control
Source: CVE Program / CVE List V5
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
FRRouting 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
FRRouting是FRRouting开源的一种在类 Unix 平台上运行的网络路由软件套件。 FRRouting 10.5.1及之前版本存在访问控制错误漏洞，该漏洞源于对文件bgpd/bgp_evpn.c中函数process_type2_route的错误操作，可能导致访问控制不当。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
FRRouting FRR 10.5.0 -

II. Public POCs for CVE-2026-5107

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III. Intelligence Information for CVE-2026-5107

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Patches & Fixes for CVE-2026-5107 (2)

Vendor Advisories for CVE-2026-5107 (2)

Vendor Pages for CVE-2026-5107 (1)

IV. Related Vulnerabilities

Same product: FRR
Same vendor: FRRouting
Same weakness: CWE-284

V. Comments for CVE-2026-5107

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