OS Command Injection in RT-AX55 - CVE-2023-39780
Published: May 29, 2025
Vulnerability identifier: #VU109933
CSH Severity: High
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-39780
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation in the "qos_bw_rulelist" parameter in /start_apply.htm. A remote user can pass specially crafted data to the application and execute arbitrary OS commands on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
RT-AX55
How to mitigate CVE-2023-39780
Install updates from vendor's website.
RT-AX55 - update to 3.0.0.4.386_53119
External References
- https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/1/EN.md
- https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/2/EN.md
- https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/3/EN.md
- https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/4/EN.md
- https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/5/EN.md
- https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/6/EN.md