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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.009 (59.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 59.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
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
- www.zerodayinitiative.com/advisories/ZDI-23-1624/ (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.