CVE-2025-48393 Security feature bypass in G4 PDU

Medium 5.7 Published Updated

Insecure firmware upgrade validation allows Man-in-the-Middle attacks, potentially leading to code execution on Eaton G4 PDUs.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2025-48393?

CVE-2025-48393 is a medium-severity vulnerability in Eaton G4 PDU, published on 6 Aug 2025. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

The server identity check mechanism for firmware upgrade performed via command shell is insecurely implemented potentially allowing an attacker to perform a Man-in-the-middle attack. This security issue has been fixed in the latest firmware version of Eaton G4 PDU which is available on the Eaton download center.

Weakness: CWE-295

Which versions are affected by CVE-2025-48393?

How do I fix CVE-2025-48393?

No fix has been published for CVE-2025-48393 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-48393 being exploited?

There is no known exploitation of CVE-2025-48393 in the wild and no public exploit code.

Sources

Also known as GHSA-qqf5-w389-f489.

Is CVE-2025-48393 in your software?

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