CVE-2025-25774

CVSS 6.5 MEDIUMEPSS 0.4%CWE-691

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).

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected products

n/a · n/a

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References

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