Vulnerability Description
A missing length check in `ogs_pfcp_subnet_add` function from PFCP library, used by both smf and upf in open5gs 2.7.2 and earlier, allows a local attacker to cause a Buffer Overflow by changing the `session.dnn` field with a value with length greater than 101.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Open5Gs | Open5Gs | <= 2.7.2 |
Related Weaknesses (CWE)
References
- https://gist.github.com/scemodicecosa/8643fbfc9490f40e955e9f9e9b0d9077Broken Link
- https://gist.github.com/scmdcs/8643fbfc9490f40e955e9f9e9b0d9077ExploitThird Party Advisory
- https://github.com/open5gs/open5gs/issues/3775ExploitIssue Tracking
FAQ
What is CVE-2025-44952?
CVE-2025-44952 is a vulnerability with a CVSS score of 7.8 (HIGH). A missing length check in `ogs_pfcp_subnet_add` function from PFCP library, used by both smf and upf in open5gs 2.7.2 and earlier, allows a local attacker to cause a Buffer Overflow by changing the `s...
How severe is CVE-2025-44952?
CVE-2025-44952 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-44952?
Check the references section above for vendor advisories and patch information. Affected products include: Open5Gs Open5Gs.