CVE-2021-35004

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 7.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-01-21 · updated 2026-06-17
Weakness: CWE-121

Description

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: 1.0.1-build_20200709

References

https://www.zerodayinitiative.com/advisories/ZDI-22-081/
https://www.zerodayinitiative.com/advisories/ZDI-22-081/

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