Buffer overflow in Open5gs
CVE-2025-15685
A flaw has been found in Open5GS up to 2.7.1. Affected by this vulnerability is an unknown functionality of the component freeDiameter. This manipulation causes memory corruption. The attack is possible to be carried out remotely.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.004 (31.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 31.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.002
Affected products
- Open5gs — versions 2.7.0, 2.7.1
Weakness classification (CWE)
References
- vuldb.com/vuln/387278 (vdb-entry)
- vuldb.com/vuln/387278/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2025-15685 (third-party-advisory)
- vuldb.com/submit/867103 (third-party-advisory)
- github.com/open5gs/open5gs/issues/4156 (issue-tracking)
- github.com/open5gs/open5gs/ (product)
Frequently asked questions
- What is CVE-2025-15685?
- CVE-2025-15685 is a medium-severity vulnerability in Open5gs, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.3/10. Published 2026-08-12.
- How severe is CVE-2025-15685?
- Medium severity. CVSS v3 base score is 6.3 out of 10.