Vulnerability · Published Jan 17, 2026 · Assigned by VulDB
CVE-2025-15530Open5GS s11-handler.c assertion
Medium 5.3
In plain English
A medium-severity security flaw in Open5GS. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 56% of all known vulnerabilities).
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.8%top 43.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A vulnerability was determined in Open5GS up to 2.7.6. This affects the function sgwc_s11_handle_create_indirect_data_forwarding_tunnel_request of the file /src/sgwc/s11-handler.c. Executing a manipulation can lead to reachable assertion. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized. The issue report is flagged as already-fixed.
Affected products (as reported)
Weakness: CWE-617 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
References
- VDB-341597 | Open5GS s11-handler.c assertion vdb-entry, technical-description
- VDB-341597 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #728987 | Open5GS SGWC v2.7.6 Denial of Service third-party-advisory
- https://github.com/open5gs/open5gs/issues/4231 issue-tracking
- https://github.com/open5gs/open5gs/issues/4231#issue-3774187007 exploit, issue-tracking
- https://github.com/open5gs/open5gs/ product