CVE-2025-25774

Public Exploit

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).

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.05%
Vendor Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/open5gs/open5gs/issues/3671 vendor advisory issue tracking exploit
https://github.com/open5gs/open5gs/commit/2e68706f1eea029d5172ccad946e78b352c031d0 patch
https://github.com/guoweifk/BugReport/blob/main/Open5GS%20AMF%20Denial%20of%20Service%20via%20GMM%20State%20Handling%20in%20Handover third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2025-25774?
CVE-2025-25774 has been scored as a medium severity vulnerability.
How to fix CVE-2025-25774?
To fix CVE-2025-25774, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-25774 being actively exploited in the wild?
It is possible that CVE-2025-25774 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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