CVE-2026-25659 Ericsson Packet Core Gateway (PCG) - Improper handling of missing values Vulnerability
An attacker can cause service degradation in Ericsson Packet Core Gateway by sending specially crafted messages, leading to temporary denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-25659?
CVE-2026-25659 is a high-severity denial of service vulnerability in Ericsson Packet Core Gateway (PCG), published on 5 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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.
Weakness: CWE-230
Which versions are affected by CVE-2026-25659?
It affects 1 product.
Products include Ericsson Packet Core Gateway.
How do I fix CVE-2026-25659?
No fix has been published for CVE-2026-25659 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-25659 being exploited?
There is no known exploitation of CVE-2026-25659 in the wild and no public exploit code.
Other vulnerabilities in Ericsson Packet Core Gateway (PCG)
Sources
Also known as GHSA-pg3r-xmvg-gj6m.