CVE-2025-15532 Open5GS Timer resource consumption
Remote attackers can cause resource exhaustion in Open5GS via the Timer Handler, leading to denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-15532?
CVE-2025-15532 is a medium-severity denial of service vulnerability in Open5gs Open5gs, published on 17 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
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.
Which versions are affected by CVE-2025-15532?
It affects 1 product.
Products include Open5gs Open5gs.
How do I fix CVE-2025-15532?
No fix has been published for CVE-2025-15532 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-15532 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-15532 exists.
Other vulnerabilities in Open5gs Open5gs
Sources
Also known as GHSA-27fq-8xxm-gqgw.