CVE-2025-25774 — MEDIUM (6.5)

Vulnerability 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).

CVSS Score

6.5

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Open5Gs	Open5Gs	2.7.2

Related Weaknesses (CWE)

CWE-691

References

https://github.com/guoweifk/BugReport/blob/main/Open5GS%20AMF%20Denial%20of%20SeExploitThird Party Advisory
https://github.com/open5gs/open5gs/commit/2e68706f1eea029d5172ccad946e78b352c031Patch
https://github.com/open5gs/open5gs/issues/3671ExploitIssue TrackingVendor Advisory

FAQ

What is CVE-2025-25774?

CVE-2025-25774 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 t...

How severe is CVE-2025-25774?

CVE-2025-25774 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-25774?

Check the references section above for vendor advisories and patch information. Affected products include: Open5Gs Open5Gs.