CVE-2025-66786: OpenAirInterface CN5G AMF<=v2.0.1 There is a logical error when processing JSON format requests. Unauthorized remote…

CVE-2025-66786 · Severity: high · CVSS 7.5 · Published 2026-01-07

OpenAirInterface CN5G AMF<=v2.0.1 There is a logical error when processing JSON format requests. Unauthorized remote attackers can send malicious JSON data to AMF's SBI interface to launch a denial-of-service attack.

Technologies: Openairinterface Oai-Cn5g-Amf. Vendors: Openairinterface.

Quick answers

Is CVE-2025-66786 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-66786 being exploited in the wild.
How severe is CVE-2025-66786?
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-2025-66786?
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-2025-66786?
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.

Affected products

  • Openairinterface Oai-Cn5g-Amf

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