Is CVE-2025-43973 actively exploited?

No active exploitation of CVE-2025-43973 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2025-43973 be exploited remotely?

Yes. CVE-2025-43973 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2025-43973?

CVE-2025-43973 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2025-43973

CRITICAL

CVE-2025-43973

CWE-193Published: April 21, 2025· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2025-43973 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.