Headline
CVE-2022-42433: ZDI-22-1466
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link TL-WR841N TL-WR841N(US)_V14_220121 routers. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. 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-17356.
October 25th, 2022
TP-Link TL-WR841N ated_tp Command Injection Remote Code Execution Vulnerability****ZDI-22-1466
ZDI-CAN-17356
CVE ID
CVE-2022-42433
CVSS SCORE
6.4, (AV:A/AC:H/PR:H/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. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed.
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 220914.
DISCLOSURE TIMELINE
- 2022-07-19 - Vulnerability reported to vendor
- 2022-10-25 - Coordinated public release of advisory
CREDIT
Cyrille Chatras
BACK TO ADVISORIES