CVE-2025-43973
Quick assessment
Affected
GoBGP GoBGP
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.
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/rtr/rtr.go未验证输入长度是否与RTR消息匹配。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-43973
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/rtr/rtr.go does not verify that the input length corresponds to a situation in which all bytes are available for an RTR message.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/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/rtr/rtr.go未验证输入长度是否与RTR消息匹配。
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
II. Public POCs for CVE-2025-43973
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Patches & Fixes for CVE-2025-43973 (2)
Same Patch Batch · GoBGP · 2025-04-21 · 4 CVEs total
| CVE-2025-43971 | 8.6 HIGH | 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 |
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V. Comments for CVE-2025-43973
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