CVE-2021-35004: TP-Link Tl-WA1201 Firmware

Critical severity, CVSS 9.8. EPSS: 7.7% chance of exploitation in the next 30 days.

This vulnerability allows remote attackers to execute arbitrary code on affected installations of TP-Link TL-WA1201 1.0.1 Build 20200709 rel.66244(5553) wireless access points. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of DNS responses. A crafted DNS message can trigger an overflow of a fixed-length, stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-14656.

Affected products

• TP-Link Tl-WA1201 Firmware: version 1.0.1 only

Published 2022-01-21. Last modified 2026-06-17.