Authentication Bypass Vulnerability in Screen SFT DAB by DB Broadcast
CVE-2023-53740

8.6HIGH

Key Information:

Vendor

Db Elettronica Telecomunicazioni Spa

Status
Screen Sft Dab Series - Compact Radio Dab Transmitter
Vendor
CVE Published:
10 December 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2023-53740?

The Screen SFT DAB 1.9.3 version is vulnerable to an authentication bypass that allows an attacker to reset the admin password without needing the original credentials. By exploiting the userManager.cgx endpoint, an attacker can send a specially crafted JSON request containing a new MD5-hashed password, enabling them to directly modify the admin account settings. This flaw poses a significant security risk, potentially allowing unauthorized access to sensitive administrative functions in the application.

Affected Version(s)

Screen SFT DAB Series - Compact Radio DAB Transmitter 1.9.3

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2023-53740 - Proof of Concept

References

https://www.exploit-db.com/exploits/51458
exploit
https://www.screen.it
product
https://www.dbbroadcast.com/products/radio/sft-dab-series...
product

CVSS V4

Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
Low
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

LiquidWorm as Gjoko Krstic of Zero Science Lab
JSON
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CVE-2023-53740 : Authentication Bypass Vulnerability in Screen SFT DAB by DB Broadcast