High severity · published Jan 16, 2026
CVE-2025-15528
Open5GS GTPv2 Bearer Response denial of service
7.5
CVSS
0.9%
EPSS
No
On KEV
Description
A vulnerability has been found in Open5GS up to 2.7.6. Affected by this vulnerability is an unknown functionality of the component GTPv2 Bearer Response Handler. Such manipulation leads to denial of service. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The name of the patch is 98f76e98df35cd6a35e868aa62715db7f8141ac1. A patch should be applied to remediate this issue.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 60% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
Open5GS · Open5gs
2.7.0; 2.7.1; 2.7.2; 2.7.3; 2.7.4; 2.7.5; +1 more · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-15528
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-15528
github.com
https://github.com/open5gs/open5gs/
Patch
https://github.com/open5gs/open5gs/commit/98f76e98df35cd6a35e868aa62715db7f8141ac1
Exploit
https://github.com/open5gs/open5gs/issues/4225
Exploit
https://github.com/open5gs/open5gs/issues/4225#issue-3769531006
Permissions Required
https://vuldb.com/?ctiid.341595
Third Party Advisory
https://vuldb.com/?id.341595
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