CVE-2025-66786 Denial of service in n/a
Remote attackers can cause denial of service in OpenAirInterface AMF by sending malicious JSON data to the SBI interface.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-66786?
CVE-2025-66786 is a high-severity denial of service vulnerability in n/a, published on 7 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-20
Which versions are affected by CVE-2025-66786?
It affects 1 product.
Products include Openairinterface Oai-Cn5g-Amf.
How do I fix CVE-2025-66786?
No fix has been published for CVE-2025-66786 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-66786 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-66786 exists.
Other vulnerabilities in n/a
Sources
Also known as GHSA-62p9-m62j-p76m.