CVE-2023-53740

Screen SFT DAB 1.9.3 Authentication Bypass via Admin Password Change

Screen SFT DAB 1.9.3 contains an authentication bypass vulnerability that allows attackers to change the admin password without providing the current credentials. Attackers can exploit the userManager.cgx endpoint by sending a crafted JSON request with a new MD5-hashed password to directly modify the admin account.

Affected

DB Elettronica Telecomunicazioni SpA · Screen SFT DAB Series - Compact Radio DAB Transmitter

CVSS v4.0 VULNCHECK

8.6 HIGHCVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 NVD

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.88% chance of exploitation in the next 30 days, 58th percentile

Published

2025-12-10

Updated

2026-04-07

Proof-of-concept exploits (1)

• https://www.exploit-db.com/exploits/51458

Security advisories

• https://www.vulncheck.com/advisories/screen-sft-dab-authentication-bypass-via-admin-passw…
• https://www.zeroscience.mk/en/vulnerabilities/ZSL-2023-5774.php
• https://www.dbbroadcast.com
• https://www.dbbroadcast.com/products/radio/sft-dab-series-compact-air
• https://www.screen.it

References

• CVE Record
• NVD entry