CVE-2025-40802 Denial of service in RUGGEDCOM RST2428P
An attacker can cause a temporary denial of service on Siemens RUGGEDCOM switches by flooding them with high volumes of query requests.
- 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-2025-40802?
CVE-2025-40802 is a low-severity denial of service vulnerability in Siemens RUGGEDCOM RST2428P, published on 9 Sep 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability has been identified in RUGGEDCOM RST2428P (6GK6242-6PA00) (All versions). The affected device may be susceptible to resource exhaustion when subjected to high volumes of query requests. This could allow an attacker to cause a temporary denial of service, with the system recovering once the activity stops.
Weakness: CWE-400
Which versions are affected by CVE-2025-40802?
It affects 1 product.
Products include Siemens Ruggedcom Rst2428p Firmware.
How do I fix CVE-2025-40802?
No fix has been published for CVE-2025-40802 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-2025-40802 being exploited?
There is no known exploitation of CVE-2025-40802 in the wild and no public exploit code.
Other vulnerabilities in Siemens RUGGEDCOM RST2428P
Sources
Also known as GHSA-49wx-m47g-hrrr.