#VU109933 OS Command Injection in RT-AX55 - CVE-2023-39780
Vulnerability identifier: #VU109933
Vulnerability risk: High
CVSSv4.0: 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/E:A/U:Amber]
CVE-ID:
CWE-ID:
CWE-78
Exploitation vector: Network
Exploit availability: Yes
Vulnerable software:
RT-AX55
Hardware solutions /
Routers & switches, VoIP, GSM, etc
Vendor: Asus
Description
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.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
RT-AX55: 3.0.0.4.386.51598
External links
https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/1/EN.md
https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/1/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-2023-39780/2/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-2023-39780/3/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-2023-39780/4/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-2023-39780/5/EN.md
https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/6/EN.md
https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/6/EN.md
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
Yes. This vulnerability is being exploited in the wild.
