Vulnerability · Published Jan 21, 2022 · Assigned by zdi

CVE-2021-35004

High 8.8

In plain English

A high-severity stack buffer overflow in TL-WA1201 from TP-Link. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 7.7% (higher than 95% of all known vulnerabilities).

Severity (CVSS 3.0)8.8High

Exploit odds (30 days)7.7%top 5.3% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official 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 (as reported)

Vendor	Product	Versions
TP-Link	TL-WA1201	1.0.1 Build 20200709 rel.66244(5553)

Weakness: CWE-121 · Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

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