Improper input validation in Open5gs
CVE-2025-29646
An issue in upf in open5gs 2.7.2 and earlier allows a remote attacker to cause a Denial of Service via a crafted PFCP SessionEstablishmentRequest packet with restoration indication = true and (teid = 0 or teid >= ogs_pfcp_pdr_teid_pool.size).
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (23.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 23.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
Weakness classification (CWE)
References
- github.com/open5gs/open5gs/issues/3747 (Exploit, Issue Tracking)
- gist.github.com/scmdcs/581fa485f957239ea5551daa173d0189 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-29646?
- CVE-2025-29646 is a high-severity vulnerability in Open5gs, classified under Improper Input Validation. CVSS score: 7.1/10. Published 2025-06-18.
- How severe is CVE-2025-29646?
- High severity. CVSS v3 base score is 7.1 out of 10.