RCE in TP-Link Tl-Wr840n
CVE-2023-39471
TP-Link TL-WR841N ated_tp Command Injection Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link TL-WR841N routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the ated_tp service. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-21825.
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.009 (57.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Tp-link Tl-wr840n — versions 6.20
- Tp-link Tl-wr840n_firmware
- Tp-link Tl-wr841n — versions 4.19, v14
- Tp-link Tl-wr841n_firmware
Weakness classification (CWE)
References
- zdi-disclosures@trendmicro.com (x_research-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-39471?
- CVE-2023-39471 is a high-severity vulnerability in TP-Link Tl-Wr840n, classified under OS Command Injection. CVSS score: 8.8/10. Published 2024-05-03.
- How severe is CVE-2023-39471?
- High severity. CVSS v3 base score is 8.8 out of 10.