What is CVE-2025-66786?

CVE-2025-66786 is a high-severity vulnerability in Openairinterface Oai-Cn5g-Amf, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2026-01-07.

How severe is CVE-2025-66786?

High severity. CVSS v3 base score is 7.5 out of 10.

Improper input validation in Openairinterface Oai-Cn5g-Amf

CVE-2025-66786

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.003 (24.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Openairinterface Oai-cn5g-amf
N/a — versions n/a

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

cve@mitre.org (Broken Link)

Frequently asked questions

What is CVE-2025-66786?: CVE-2025-66786 is a high-severity vulnerability in Openairinterface Oai-Cn5g-Amf, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2026-01-07.
How severe is CVE-2025-66786?: High severity. CVSS v3 base score is 7.5 out of 10.