CVE-2026-25657CWE-228

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

High · published June 5, 2026

CVSS v4.0
7.1
EPSS
0%
Percentile
6.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
7.1 · HIGH
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
EPSS
0.00165 · 6.0th percentile
Weakness
CWE-228 · Improper Handling of Syntactically Invalid Structure
Published
2026-06-05T11:03Z
EPSS history
Timeline
  • 05 JUN 11:03Z
    Ericsson Packet Core Gateway (PCG) - Improper Handling of Syntactically Invalid Structure Vulnerability
    cvelistv5