#VU89842 OS Command Injection in Archer C4500X - CVE-2024-5035

Vulnerability identifier: #VU89842

Vulnerability risk: Critical

CVSSv4.0: 8.9 [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:P/U:Red]

CVE-ID: CVE-2024-5035

CWE-ID: CWE-78

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Archer C4500X
Hardware solutions / Routers for home users

Vendor: TP-Link

Description

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation within the "rftest" service. A remote unauthenticated attacker can send specially crafted requests to ports TCP/8888, TCP/8889, or TCP/8890 and execute arbitrary OS commands on the target device.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Archer C4500X: 1_1.1.4 - 1_1.1.6

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External links
https://onekey.com/blog/security-advisory-remote-command-execution-on-tp-link-archer-c5400x/
https://www.tp-link.com/en/support/download/archer-c5400x/#Firmware

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.