CVE-2026-25657
Ericsson Packet Core Gateway Service Degradation Vulnerability
Publication date: 2026-06-05
Last updated on: 2026-06-05
Assigner: Ericsson
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| ericsson | packet_core_gateway | to 1.30 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-228 | The product does not handle or incorrectly handles input that is not syntactically well-formed with respect to the associated specification. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
The vulnerability in Ericsson Packet Core Gateway (PCG) versions prior to 1.30 is an Improper Handling of Syntactically Invalid Structure (CWE-228).
An attacker can exploit this by continuously sending specially crafted messages that the system does not properly handle.
This causes service degradation while the attack persists, but the system recovers once the attack stops.
How can this vulnerability impact me? :
This vulnerability can cause service degradation in the Ericsson Packet Core Gateway, potentially disrupting normal operations.
The impact lasts as long as the attacker continues the exploit, but the system recovers after the attack ends.
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, you should update the Ericsson Packet Core Gateway to version 1.30 or later, as Ericsson has released an update addressing this security issue.