CVE-2021-35004: TP-Link TL-WA1201 DNS Response Stack-based Buffer Overflow Remote Code Execution Vulnerability
First published: Fri Jan 21 2022(Updated: )
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.
Credit: zdi-disclosures@trendmicro.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| TP-Link TL-WA1201 | ||
| Tp-link Tl-wa1201 Firmware | =1.0.1-build_20200709 | |
| TP-Link TL-WA1201 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-35004?
CVE-2021-35004 has a critical severity rating due to its ability to allow remote code execution without authentication.
How do I fix CVE-2021-35004?
To fix CVE-2021-35004, update the TP-Link TL-WA1201 firmware to the latest version provided by the vendor.
Who is affected by CVE-2021-35004?
CVE-2021-35004 affects installations of TP-Link TL-WA1201 running firmware version 1.0.1 Build 20200709.
What types of attacks can CVE-2021-35004 enable?
CVE-2021-35004 enables remote attackers to execute arbitrary code on the vulnerable device.
Is authentication required to exploit CVE-2021-35004?
No, authentication is not required to exploit CVE-2021-35004, making it easier for attackers to take control.
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