CVE-2025-2859 Improper Authentication vulnerability in saTECH BCU

Medium 6.9 Published 28 Mar 2025 Updated 4 Apr 2025

An attacker can steal user sessions via traffic capture to modify device settings, affecting saTECH BCU users.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2025-2859?

CVE-2025-2859 is a medium-severity authentication bypass vulnerability in Arteche saTECH BCU, published on 28 Mar 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

An attacker with network access, could capture traffic and obtain user cookies, allowing the attacker to steal the active user session and make changes to the device via web, depending on the privileges obtained by the user.

Weakness: CWE-287

Which versions are affected by CVE-2025-2859?

It affects 1 product.

Products include Arteche Satech Bcu Firmware.

How do I fix CVE-2025-2859?

No fix has been published for CVE-2025-2859 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2025-2859 being exploited?

There is no known exploitation of CVE-2025-2859 in the wild and no public exploit code.

Sources

Also known as GHSA-x6xj-c9qw-4fjp.