CVE-2025-59174 PUBLISHED

Assigner: ERIC
Reserved: 10.09.2025 Published: 05.06.2026 Updated: 05.06.2026

Ericsson Packet Core Controller (PCC) versions prior to 1.39 contain a vulnerability where an attacker sending a large volume of specially crafted messages may cause service degradation.

CVSS Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CVSS Score: 7.1

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Adjacent	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS Score: 6.5

Attack Vector	Adjacent Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	None	Integrity Impact	None
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	Ericsson
Product	Packet Core Controller
Versions	Default: unaffected affected from 0 to 1.39 (excl.)

Credits

The UK Telecoms Lab (UKTL) finder
The UK’s National Cyber Security Centre (NCSC) finder

References

https://ericsson.com/en/about-us/security/psirt/CVE-2025-59174

Problem Types

CWE-228: Improper Handling of Syntactically Invalid Structure CWE