CVE-2026-25657

Ericsson Packet Core Gateway (PCG) - Improper Handling of Syntactically Invalid Structure Vulnerability

State: Published
Severity: 7.1 High
Published: Jun 5, 2026
Updated: Jun 5, 2026
Reserved: Feb 4, 2026

Description

Ericsson Packet Core Gateway (PCG) versions prior to 1.30 contain an Improper Handling of Syntactically Invalid Structure (CWE-228) vulnerability where an attacker continuously sending a specially crafted message can cause service degradation. The impact continues as long the attack persists but the system recovers from the crashes when the attack stops.

Scores

CVSS	Score	Vector	Source
4.0	7.1 High	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	ERIC

Weaknesses

CWE-228

Affected Products

Product	Versions
Packet Core Gateway (PCG)Ericsson	before 1.30Affectedfrom 1.30Not affected

References

https://www.ericsson.com/en/about-us/security/psirt/cve-2026-25657

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