CVE-2025-29646 json
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 SessionEstablishmentR…
published 2025-06-18 16 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-18660
- cvss
- 7.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 26%
- public exploits
- 0
- none known
Summary
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).
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 16 mo ago
Exploit prediction
0.33% chance of exploitation in the next 30 days, higher than 26% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/open5gs/open5gs/issues/3747 referenced PoC, tagged "exploit" by a source, unverified
- gist.github.com https://gist.github.com/scmdcs/581fa485f957239ea5551daa173d0189 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N |
| CNA | 3.1 | 7.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N |
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
github.com
/open5gs/open5gs/issues/3747
exploit, issue-tracking
-
gist.github.com
/scmdcs/581fa485f957239ea5551daa173d0189
exploit, third-party-advisory
Sources
- CVE List CVE-2025-29646
- NVD CVE-2025-29646
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