CVE-2023-53967 Screen SFT DAB 600/C Firmware 1.9.3 Authentication Bypass Admin Password Change

Critical 9.3 Published 22 Dec 2025 Updated 22 Dec 2025

Attackers can bypass authentication to change the admin password on Screen SFT DAB 600/C devices via a crafted API request.

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-2023-53967?

CVE-2023-53967 is a critical authentication bypass vulnerability in DB Elettronica Telecomunicazioni SpA Screen SFT DAB 600/C, published on 22 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Screen SFT DAB 600/C firmware 1.9.3 contains an authentication bypass vulnerability that allows attackers to change the admin password without requiring the current credentials. Attackers can exploit the userManager.cgx API endpoint by sending a crafted POST request with a new MD5-hashed password to directly modify the admin account's authentication.

Weakness: CWE-306

Which versions are affected by CVE-2023-53967?

It affects 1 product.

Products include Dbbroadcast Sft Dab 600\/C Firmware.

How do I fix CVE-2023-53967?

No fix has been published for CVE-2023-53967 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-2023-53967 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-53967 exists.

Sources

Also known as GHSA-w5jc-9pqr-q5xr.