PT-2025-11111 · Open5Gs · Open5Gs

Guoweifk · Published 2025-03-12 · Updated 2025-04-29 · CVE-2025-25774

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions: Open5GS version 2.7.2

Description: An issue in Open5GS can cause an exception in the AMF's internal state machine when a UE switches between two gNBs and sends a handover request at a specific time. This can lead to an AMF crash, resulting in a Denial of Service (DoS).

Recommendations: For Open5GS version 2.7.2, as a temporary workaround, consider implementing measures to prevent or handle the exception in the AMF's internal state machine when a UE sends a handover request during a gNB switch. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Weakness Enumeration

CWE-691

Related Identifiers

CVE-2025-25774

Affected Products

Open5Gs

References · 9

• 🔥 https://github.com/guoweifk/BugReport/blob/main/Open5GS%20AMF%20Denial%20of%20Service%20via%20GMM%20State%20Handling%20in%20Handover · Exploit
• https://github.com/open5gs/open5gs/commit/2e68706f1eea029d5172ccad946e78b352c031d0 · Patch
• https://github.com/open5gs/open5gs/issues/3671 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-25774 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-25774 · Security Note
• https://twitter.com/dailycve/status/1917266139161453003 · Twitter Post
• https://twitter.com/CVEnew/status/1899894960721453450 · Twitter Post
• https://t.me/cvedetector/20147 · Telegram Post
• https://t.me/cvetracker/19010 · Telegram Post