Ericsson Packet Core Gateway up to 1.29 missing values

Summaryinfo

A vulnerability marked as problematic has been reported in Ericsson Packet Core Gateway up to 1.29. Affected by this issue is some unknown functionality. The manipulation leads to improper handling of missing values. This vulnerability is uniquely identified as CVE-2026-25658. The attack can only be initiated within the local network. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Ericsson Packet Core Gateway up to 1.29 and classified as problematic. This issue affects an unknown code. The manipulation with an unknown input leads to a improper handling of missing values vulnerability. Using CWE to declare the problem leads to CWE-230. The product does not handle or incorrectly handles when a parameter, field, or argument name is specified, but the associated value is missing, i.e. it is empty, blank, or null. Impacted is availability. The summary by CVE is:

Ericsson Packet Core Gateway (PCG) versions prior to 1.30 contain an Improper Handling of Missing Values (CWE-230) 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 weakness was disclosed by Clemens Keil, Manfred Heinz and Patrick Walker. The advisory is shared at ericsson.com. The identification of this vulnerability is CVE-2026-25658 since 02/04/2026. The exploitation is known to be easy. The attack needs to be initiated within the local network. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

Upgrading to version 1.30 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-34822). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• Ericsson

Name

• Packet Core Gateway

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8
• 1.9
• 1.10
• 1.11
• 1.12
• 1.13
• 1.14
• 1.15
• 1.16
• 1.17
• 1.18
• 1.19
• 1.20
• 1.21
• 1.22
• 1.23
• 1.24
• 1.25
• 1.26
• 1.27
• 1.28
• 1.29

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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