CVE-2023-53969 Screen SFT DAB 600/C Firmware 1.9.3 Authentication Bypass Password Change

Critical 9.3 Published 22 Dec 2025 Updated 22 Dec 2025

Attackers can bypass authentication via IP session binding to change user passwords on Screen SFT DAB 600/C 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-2023-53969?

CVE-2023-53969 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 a session management vulnerability that allows attackers to bypass authentication controls by exploiting IP address session binding. Attackers can reuse the same IP address and issue unauthorized requests to the userManager API to change user passwords without proper authentication.

Weakness: CWE-306

Which versions are affected by CVE-2023-53969?

It affects 1 product.

Products include Dbbroadcast Sft Dab 600\/C Firmware.

How do I fix CVE-2023-53969?

No fix has been published for CVE-2023-53969 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-2023-53969 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-53969 exists.

Sources

Also known as GHSA-r33w-hjh8-m5jj.