CVE-2025-15528 Open5GS GTPv2 Bearer Response denial of service
Remote attackers can cause a denial of service in Open5GS by exploiting the GTPv2 Bearer Response Handler.
- 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-2025-15528?
CVE-2025-15528 is a medium-severity denial of service vulnerability in Open5gs Open5gs, published on 16 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability has been found in Open5GS up to 2.7.6. Affected by this vulnerability is an unknown functionality of the component GTPv2 Bearer Response Handler. Such manipulation leads to denial of service. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The name of the patch is 98f76e98df35cd6a35e868aa62715db7f8141ac1. A patch should be applied to remediate this issue.
Weakness: CWE-404
Which versions are affected by CVE-2025-15528?
It affects 1 product.
Products include Open5gs Open5gs.
How do I fix CVE-2025-15528?
No fix has been published for CVE-2025-15528 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-2025-15528 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-15528 exists.
Other vulnerabilities in Open5gs Open5gs
Sources
Also known as GHSA-29jx-3q54-p8gq.