CVE-2025-29339

Public Exploit

Description

An issue in UPF in Open5GS UPF versions up to v2.7.2 results an assertion failure vulnerability in PFCP session parameter validation. When processing a PFCP Session Establishment Request with PDN Type=0, the UPF fails to handle the invalid value propagated from SMF (or via direct attack), triggering a fatal assertion check and causing a daemon crash.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.05%
Vendor Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/open5gs/open5gs/issues/3727 exploit vendor advisory issue tracking

Frequently Asked Questions

What is the severity of CVE-2025-29339?
CVE-2025-29339 has been scored as a high severity vulnerability.
How to fix CVE-2025-29339?
To fix CVE-2025-29339, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-29339 being actively exploited in the wild?
It is possible that CVE-2025-29339 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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