CVE-2026-25657

MEDIUM

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

Title source: cna

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.

References (1)

Core 1

Core References

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

Scores

CVSS v3 6.5

EPSS 0.0016

EPSS Percentile 6.0%

Attack Vector ADJACENT_NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-228

Status published

Products (2)

Ericsson/Packet Core Gateway (PCG) < 1.30

ericsson/packet_core_gateway < 1.30

Published Jun 05, 2026

Tracked Since Jun 05, 2026