CVE-2026-25657

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 v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

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

Configurations

Configuration 1 (hide)

cpe:2.3:a:ericsson:packet_core_gateway:*:*:*:*:*:*:*:*

History

08 Jun 2026, 14:21

Type	Values Removed	Values Added
References	~~() https://www.ericsson.com/en/about-us/security/psirt/cve-2026-25657 -~~	() https://www.ericsson.com/en/about-us/security/psirt/cve-2026-25657 - Vendor Advisory
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 6.5
First Time		Ericsson Ericsson packet Core Gateway
CPE		cpe:2.3:a:ericsson:packet_core_gateway::::::::

05 Jun 2026, 12:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-05 12:16

Updated : 2026-06-08 14:21

NVD link : CVE-2026-25657

Mitre link : CVE-2026-25657

CVE.ORG link : CVE-2026-25657

JSON object : View

Products Affected

ericsson

packet_core_gateway

CWE

CWE-228

Improper Handling of Syntactically Invalid Structure

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