CVE-2025-65805: OpenAirInterface CN5G AMF<=v2.1.9 has a buffer overflow vulnerability in processing NAS messages. Unauthorized remote…
CVE-2025-65805 · Severity: high · CVSS 7.5 · Published 2026-01-07
OpenAirInterface CN5G AMF<=v2.1.9 has a buffer overflow vulnerability in processing NAS messages. Unauthorized remote attackers can launch a denial-of-service attack and potentially execute malicious code by accessing port N1 and sending an imsi string longer than 1000 to AMF.
No. Junglewise Threat Intelligence has no report of CVE-2025-65805 being exploited in the wild.
How severe is CVE-2025-65805?
High severity, with a CVSS score of 7.5, published 7 January 2026.
Which products and versions are affected?
Openairinterface Oai-Cn5g-Amf. The advisory does not name versions.
Is there a fix for CVE-2025-65805?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2025-65805?
Check whether you run Openairinterface Oai-Cn5g-Amf. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.