CVE-2025-26411 Authenticated Arbitrary Python File Upload via Plugin Manager

High 8.8 Published Updated

Authenticated attackers can upload malicious Python files via the web interface to gain remote root access on Wattsense Bridge devices.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-26411?

CVE-2025-26411 is a high-severity vulnerability in Wattsense Bridge, published on 11 Feb 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

An authenticated attacker is able to use the Plugin Manager of the web interface of the Wattsense Bridge devices to upload malicious Python files to the device. This enables an attacker to gain remote root access to the device. An attacker needs a valid user account on the Wattsense web interface to be able to conduct this attack. This issue is fixed in recent firmware versions BSP >= 6.1.0.

Weakness: CWE-434

Which versions are affected by CVE-2025-26411?

How do I fix CVE-2025-26411?

No fix has been published for CVE-2025-26411 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-26411 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-26411 exists.

Sources

Also known as GHSA-h9f9-r2j7-9685.

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