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CVE-2025-43971

Quick assessment

Affected
GoBGP GoBGP
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

GoBGP是osrg开源的一种开源的边界网关协议（BGP）实现。 GoBGP 3.35.0之前版本存在安全漏洞，该漏洞源于pkg/packet/bgp/bgp.go允许攻击者通过零值softwareVersionLen导致崩溃。

CVSS 8.6 · High EPSS 0.55% · P44

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-43971

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An issue was discovered in GoBGP before 3.35.0. pkg/packet/bgp/bgp.go allows attackers to cause a panic via a zero value for softwareVersionLen.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
Off-by-one错误
Source: CVE Program / CVE List V5
Vulnerability Title
GoBGP 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GoBGP是osrg开源的一种开源的边界网关协议（BGP）实现。 GoBGP 3.35.0之前版本存在安全漏洞，该漏洞源于pkg/packet/bgp/bgp.go允许攻击者通过零值softwareVersionLen导致崩溃。
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
GoBGP GoBGP 0 ~ 3.35.0 -

II. Public POCs for CVE-2025-43971

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 10156 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
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III. Intelligence Information for CVE-2025-43971

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Patches & Fixes for CVE-2025-43971 (1)

Same Patch Batch · GoBGP · 2025-04-21 · 4 CVEs total

CVE-2025-43973 6.8 MEDIUM GoBGP 安全漏洞
CVE-2025-43972 6.8 MEDIUM GoBGP 安全漏洞
CVE-2025-43970 4.3 MEDIUM GoBGP 安全漏洞

IV. Related Vulnerabilities

Same product: GoBGP
Same vendor: GoBGP
Same weakness: CWE-193

V. Comments for CVE-2025-43971

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