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CVE-2025-43970

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/mrt/mrt.go未正确检查输入长度。

CVSS 4.3 · Medium EPSS 0.42% · P35

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-43970

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/mrt/mrt.go does not properly check the input length, e.g., by ensuring that there are 12 bytes or 36 bytes (depending on the address family).
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1284
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/mrt/mrt.go未正确检查输入长度。
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-2025-43970

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III. Intelligence Information for CVE-2025-43970

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Patches & Fixes for CVE-2025-43970 (2)

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

CVE-2025-43971 8.6 HIGH GoBGP 安全漏洞
CVE-2025-43973 6.8 MEDIUM GoBGP 安全漏洞
CVE-2025-43972 6.8 MEDIUM GoBGP 安全漏洞

IV. Related Vulnerabilities

Same product: GoBGP
Same vendor: GoBGP
Same weakness: CWE-1284

V. Comments for CVE-2025-43970

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