CVE-2023-53967

Name: CVE-2023-53967
Creator: NVD / NIST
Published: 2025-12-22T22:16:01.37+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.3/10EPSS 0.46%

Last modified Jun 17, 2026

CVE-2023-53967 is a critical-severity vulnerability rated 9.3/10 on the CVSS scale. 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.. EPSS estimates a 0.46% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

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

CVSS 4.0

9.3/10

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/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

EPSS Probability

0.46%

36.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-306

Affected Software

Vendor	Product	Versions
Dbbroadcast	Sft Dab 600\/C Firmware	1.9.3

References

https://www.dbbroadcast.comProduct
https://www.dbbroadcast.com/products/radio/sft-dab-series-compact-air/Product
https://www.exploit-db.com/exploits/51458Exploit
https://www.vulncheck.com/advisories/screen-sft-dab-c-firmware-authentication-bypass-admin-password-changeThird Party Advisory
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2023-5774.phpExploit, Third Party Advisory
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2023-5774.phpExploit, Third Party Advisory

Timeline

Published: Dec 22, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2023-53967?

How severe is CVE-2023-53967?

CVE-2023-53967 has a CVSS score of 9.3/10 (CRITICAL severity). The EPSS model estimates a 0.46% probability of exploitation in the next 30 days.

How do I fix CVE-2023-53967?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-53967?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST