CVE-2023-53776 Screen SFT DAB 1.9.3 Authentication Bypass via Session Management Weakness

High 8.7 Published 10 Dec 2025 Updated 7 Apr 2026

Attackers can bypass authentication on Screen SFT DAB transmitters by reusing IP-bound session IDs to perform unauthorized management operations.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-53776?

CVE-2023-53776 is a high-severity authentication bypass vulnerability in DB Elettronica Telecomunicazioni SpA Screen SFT DAB Series - Compact Radio DAB Transmitter, published on 10 Dec 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Screen SFT DAB 1.9.3 contains an authentication bypass vulnerability that allows attackers to exploit weak session management by reusing IP-bound session identifiers. Attackers can issue unauthorized requests to the device management API by leveraging the session binding mechanism to perform critical operations on the transmitter.

Weakness: CWE-384

Which versions are affected by CVE-2023-53776?

It affects 1 product.

Products include Dbbroadcast Sft Dab 600\/C Firmware.

How do I fix CVE-2023-53776?

No fix has been published for CVE-2023-53776 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-2023-53776 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-53776 exists.

Sources

Also known as GHSA-q2hc-2xvc-9p5c.