Advisory Details

November 14th, 2023

TP-Link TL-WR841N ated_tp Command Injection Remote Code Execution Vulnerability

ZDI-23-1624
ZDI-CAN-21825

CVE ID CVE-2023-39471
CVSS SCORE 7.5, (AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)
AFFECTED VENDORS TP-Link
AFFECTED PRODUCTS TL-WR841N
VULNERABILITY DETAILS

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.

ADDITIONAL DETAILS

Fixed in firmware: https://static.tp-link.com/upload/beta/2023/202310/20231018/TL-WR841Nv14_US_0.9.1_4.19_up_boot%5b231017-rel64896%5d.bin.zip


DISCLOSURE TIMELINE
  • 2023-08-29 - Vulnerability reported to vendor
  • 2023-11-14 - Coordinated public release of advisory
CREDIT Theori
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