CVE-2022-0650: This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link TL-WR940N 3.20.1 Build 200316 Rel.34392n…

PriorityP353high8CVSS 3.1

AVAACLPRLUINSUCHIHAH

EPSS

0.72%

49.4th percentile

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link TL-WR940N 3.20.1 Build 200316 Rel.34392n (5553) routers. Authentication is required to exploit this vulnerability. The specific flaw exists within the httpd service, which listens on TCP port 80 by default. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-13993.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
tp-link	tl-wr940n	—	—
tp-link	tl-wr940n_firmware	< 211111	211111

CVSS provenance

nvdv3.18.0HIGHCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

nvdv3.06.8MEDIUMCVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

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