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MEDIUM · 6.5

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 cra...

Vulnerability 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 Score

6.5

MEDIUM

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
EricssonPacket Core Gateway< 1.30

Related Weaknesses (CWE)

CWE-228

References

FAQ

What is CVE-2026-25657?

CVE-2026-25657 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 cra...

How severe is CVE-2026-25657?

CVE-2026-25657 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-25657?

Check the references section above for vendor advisories and patch information. Affected products include: Ericsson Packet Core Gateway.