CVE-2023-53967: DB Elettronica Telecomunicazioni SpA Screen SFT DAB 600/C · Missing Authentication
Affects DB Elettronica Telecomunicazioni SpA Screen SFT DAB 600/CSource CVE Database V5
Not known to be exploited · CVSS 9.3 Critical.
Data as of 26 Oct 2026, 06:26 UTC
- EPSS
- 0.5% chance of exploitation in 30 days – higher than 43% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 22 Dec 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| DB Elettronica Telecomunicazioni SpA Screen SFT DAB 600/C | Affected
| Fixed in– |
AI-suggested
1. Immediate action should focus on obtaining and applying firmware updates or patches from DB Elettronica Telecomunicazioni SpA once available. 2. Until patches are released, restrict network access to the userManager.cgx API endpoint by implementing strict firewall rules and network segmentation to isolate the vulnerable devices from untrusted networks. 3. Employ VPNs or secure management networks for administrative access to these devices to prevent unauthorized remote access. 4. Monitor network traffic for unusual POST requests targeting the userManager.cgx endpoint, using intrusion detection/prevention systems (IDS/IPS) and SIEM solutions to detect exploitation attempts. 5. Enforce strong physical security controls to prevent local access to devices. 6. Conduct regular audits of device configurations and access logs to identify unauthorized changes. 7. Educate network administrators about the vulnerability and ensure they follow secure password management practices. 8. Consider deploying compensating controls such as multi-factor authentication on management interfaces if supported by the device firmware.
Description
Screen SFT DAB 600/C firmware 1.9.3 contains an authentication bypass vulnerability that allows attackers to change the admin password without requiring the current credentials. Attackers can exploit the userManager.cgx API endpoint by sending a crafted POST request with a new MD5-hashed password to directly modify the admin account's authentication.
References
- exploit-db.com/exploits/51458 (opens in a new tab)
- dbbroadcast.com (opens in a new tab)
- dbbroadcast.com/products/radio/sft-dab-series-compact-air/ (opens in a new tab)
- zeroscience.mk/en/vulnerabilities/ZSL-2023-5774.php (opens in a new tab)
- vulncheck.com/advisories/screen-sft-dab-c-firmware-authentication-bypass-admin-password-change (opens in a new tab)