Inclusion of Sensitive Information in Log Files in Milesight products - CVE-2023-43261
Published: October 2, 2025
Vulnerability identifier: #VU116389
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-43261
CWE-ID: CWE-532
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to software stores sensitive information into log files. A remote attacker can read the log files and gain access to sensitive data.
Affected software
UR5X
UR32L
UR32
UR35
UR41
UR32L
UR32
UR35
UR41
How to mitigate CVE-2023-43261
Install updates from vendor's website.
UR5X - update to 35.3.0.7
UR32L - update to 35.3.0.7
UR32 - update to 35.3.0.7
UR35 - update to 35.3.0.7
UR41 - update to 35.3.0.7
UR32L - update to 35.3.0.7
UR32 - update to 35.3.0.7
UR35 - update to 35.3.0.7
UR41 - update to 35.3.0.7
Links to Public Exploits and PoC-codes
- Exploit #12001 - Milesight Routers UR5X_ UR32L_ UR32_ UR35_ UR41 - Credential Leakage Through Unprotected System Logs and Weak Password Encryption (October 2, 2025)
- Exploit #12000 - CVE-2023-43261 (CVE-2023-43261 - Credential Leakage Through Unprotected System Logs and Weak Password Encryption) (October 2, 2025)
External References
- http://milesight.com
- http://packetstormsecurity.com/files/176988/Milesight-UR5X-UR32L-UR32-UR35-UR41-Credential-Leakage.html
- http://ur5x.com
- https://github.com/win3zz/CVE-2023-43261
- https://medium.com/%40win3zz/inside-the-router-how-i-accessed-industrial-routers-and-reported-the-flaws-29c34213dfdf
- https://support.milesight-iot.com/support/home