SecuriTricks - CVE-2025-25774

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).

Product(s) Impacted

Vendor	Product	Versions
Open5gs	Open5gs	2.7.2

Weaknesses

CWE-691

Insufficient Control Flow Management

The code does not sufficiently manage its control flow during execution, creating conditions in which the control flow can be modified in unexpected ways.

*CPE(s)

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	open5gs	open5gs	2.7.2	/	/	/	/	/	/	/

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

CVSS Score

6.5 / 10

CVSS Data

Attack Vector: NETWORK
Attack Complexity: LOW
Privileges Required: NONE
Scope: UNCHANGED
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: HIGH

View Vector String

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

Date

Published: March 12, 2025, 5:15 p.m.
Last Modified: March 12, 2025, 7:15 p.m.

Status : Awaiting Analysis

CVE has been marked for Analysis. Normally once in this state the CVE will be analyzed by NVD staff within 24 hours.

More info

Source

cve@mitre.org

CVE-2025-25774