High severity · published Jun 18, 2025
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…
7.1
CVSS
0.3%
EPSS
No
On KEV
Description
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).
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 26% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
Open5gs · Open5gs
through 2.7.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-29646
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-29646
Exploit
https://gist.github.com/scmdcs/581fa485f957239ea5551daa173d0189
Exploit
https://github.com/open5gs/open5gs/issues/3747
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