CVE-2025-43970
4.3 · MEDIUMOverview
CVE-2025-43970 is a medium-severity vulnerability affecting osrg gobgp. It was published on April 21, 2025 and has a CVSS 3.1 base score of 4.3 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical 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).
Remediation
Check the references section for vendor advisories and patches from osrg. Update gobgp to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| osrg | gobgp | >= 0, < 3.35.0 | Affected |
Frequently Asked Questions
What is CVE-2025-43970?
CVE-2025-43970 is a medium-severity vulnerability affecting osrg gobgp. It was published on April 21, 2025 and has a CVSS 3.1 base score of 4.3 (MEDIUM).
How severe is CVE-2025-43970?
This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2025-43970?
Check the references section for vendor advisories and patches from osrg. Update gobgp to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2025-43970?
CyberStrike's AI-powered security agents can automatically detect CVE-2025-43970 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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