CVE-2023-27333: TP-Link Archer AX21 tmpServer Command 0x422 Stack-based Buffer Overflow Remote Code Execution Vulnerability
First published: Fri May 03 2024(Updated: )
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link Archer AX21 routers. Authentication is required to exploit this vulnerability. The specific flaw exists within the handling of command 0x422 provided to the tmpServer service. 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.
Credit: zdi-disclosures@trendmicro.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| TP-Link Archer AX21 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2023-27333?
CVE-2023-27333 has been classified as a critical vulnerability due to its potential to allow arbitrary code execution.
How do I fix CVE-2023-27333?
To fix CVE-2023-27333, update the firmware of TP-Link Archer AX21 routers to the latest version provided by TP-Link.
Who is affected by CVE-2023-27333?
CVE-2023-27333 specifically affects users of the TP-Link Archer AX21 router.
What kind of attack is possible with CVE-2023-27333?
CVE-2023-27333 allows network-adjacent attackers to execute arbitrary code on the affected router.
Is authentication required to exploit CVE-2023-27333?
Yes, authentication is required to exploit the vulnerability CVE-2023-27333.
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