CVE-2023-53740

Name: CVE-2023-53740
Creator: NVD / NIST
Published: 2025-12-10T21:16:03.233+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.6/10EPSS 0.80%

Last modified Jun 17, 2026

CVE-2023-53740 is a high-severity vulnerability rated 8.6/10 on the CVSS scale. 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.. EPSS estimates a 0.80% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

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

CVSS 4.0

8.6/10

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/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

0.80%

52.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-862

Affected Software

Vendor	Product	Versions
Dbbroadcast	Sft Dab 015\/C Firmware	1.9.3
Dbbroadcast	Sft Dab 050\/C Firmware	1.9.3
Dbbroadcast	Sft Dab 150\/C Firmware	1.9.3
Dbbroadcast	Sft Dab 300\/C Firmware	1.9.3
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, Third Party Advisory
https://www.screen.itProduct
https://www.vulncheck.com/advisories/screen-sft-dab-authentication-bypass-via-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 10, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2023-53740?

How severe is CVE-2023-53740?

CVE-2023-53740 has a CVSS score of 8.6/10 (HIGH severity). The EPSS model estimates a 0.80% probability of exploitation in the next 30 days.

How do I fix CVE-2023-53740?

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-2023-53740?

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

Scan your code now

Source: NVD / NIST