CVE-2025-65805
High
Description
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.
SeverityHigh
CVSS7.5
Exploit probability—
ProductOpenairinterface Oai-cn5g-amf
PublishedJan 7, 2026
First seenJan 7, 2026
Weakness typeCWE-121CWE-121
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| openairinterface oai-cn5g-amf | v ≤ 2.1.9 | — |
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