CVE-2025-20085 Denial of service in DIRIS Digiware M-70
An unauthenticated attacker can send a crafted packet to cause denial of service and reset credentials to defaults on Socomec DIRIS Digiware M-70 devices.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-20085?
CVE-2025-20085 is a high-severity denial of service vulnerability in Socomec DIRIS Digiware M-70, published on 1 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A denial of service vulnerability exists in the Modbus RTU over TCP functionality of Socomec DIRIS Digiware M-70 1.6.9. A specially crafted network packet can lead to denial of service and weaken credentials resulting in default documented credentials being applied to the device. An attacker can send an unauthenticated packet to trigger this vulnerability.
Weakness: CWE-306
Which versions are affected by CVE-2025-20085?
It affects 1 product.
Products include Socomec Diris M-70 Firmware.
How do I fix CVE-2025-20085?
No fix has been published for CVE-2025-20085 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-2025-20085 being exploited?
There is no known exploitation of CVE-2025-20085 in the wild and no public exploit code.
Other vulnerabilities in Socomec DIRIS Digiware M-70
Sources
Also known as GHSA-vh2p-q8p9-f4gf.