Vulnerability details

CVE-2026-25657

Ericsson Packet Core Gateway

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

CVSS 4.0
7.1High

Official 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.

CVSS scores

ScoreVersionSourceVector
7.1High 4.0 CVEProject cvelistV5 (CNA) (ERIC) 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

Affected products

VendorProductVersionsSource
Ericsson Packet Core Gateway (PCG) v < 1.30 CVEProject cvelistV5 (CNA)

References and advisories

1
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Details

Published
2026-06-05
Last updated
2026-06-05
State
Published
Assigner (CNA)
ERIC

Exploit prediction (EPSS)

0.16%
Probability of exploitation in 30 days
5.7%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
No
Exploitation
None
Technical impact
Partial

Weaknesses (CWE)

  • CWE-228