CVE-2025-25774 Information

Description

An issue was discovered in Open5GS v2.7.2. When a UE switches between two gNBs and sends a handover request at a specific time it may cause an exception in the AMF’s internal state machine leading to an AMF crash and resulting in a Denial of Service (DoS).

Reference

https://github.com/guoweifk/BugReport/blob/main/Open5GS%20AMF%20Denial%20of%20Service%20via%20GMM%20State%20Handling%20in%20Handover https://github.com/open5gs/open5gs/commit/2e68706f1eea029d5172ccad946e78b352c031d0 https://github.com/open5gs/open5gs/issues/3671