Vulnerability · Published Jan 17, 2026 · Assigned by VulDB
CVE-2025-15532Open5GS Timer resource consumption
Medium 5.3
In plain English
A medium-severity uncontrolled resource consumption in Open5GS. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 65% of all known vulnerabilities).
Official description
A security flaw has been discovered in Open5GS up to 2.7.5. This issue affects some unknown processing of the component Timer Handler. The manipulation results in resource consumption. The attack may be performed from remote. The exploit has been released to the public and may be used for attacks. The patch is identified as c7c131f8d2cb1195ada5e0e691b6868ebcd8a845. It is best practice to apply a patch to resolve this issue.
Affected products (as reported)
Weakness: CWE-400, CWE-404 · 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-341599 | Open5GS Timer resource consumption vdb-entry, technical-description
- VDB-341599 | CTI Indicators (IOB, IOC, TTP) signature, permissions-required
- Submit #729354 | Open5GS SGWC v2.7.6 Denial of Service third-party-advisory
- Submit #729357 | Open5GS SGWC v2.7.6 Denial of Service (Duplicate) third-party-advisory
- Submit #735340 | Open5GS SMF v2.7.6 Denial of Service (Duplicate) third-party-advisory
- Submit #735341 | Open5GS SGWC v2.7.6 Denial of Service (Duplicate) third-party-advisory
- Submit #735342 | Open5GS SGWC v2.7.6 Denial of Service (Duplicate) third-party-advisory
- https://github.com/open5gs/open5gs/issues/4220 issue-tracking
- https://github.com/open5gs/open5gs/issues/4221 issue-tracking
- https://github.com/open5gs/open5gs/issues/4220#issue-3766066853 exploit, issue-tracking
- https://github.com/open5gs/open5gs/commit/c7c131f8d2cb1195ada5e0e691b6868ebcd8a845 patch
- https://github.com/open5gs/open5gs/ product