CVE-2023-27332

TP-Link Archer AX21 tdpServer Logging Stack-based Buffer Overflow Remote Code Execution Vulnerability

Description

TP-Link Archer AX21 tdpServer Logging Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link Archer AX21 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the logging functionality of the tdpServer program, which listens on UDP port 20002. 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. . Was ZDI-CAN-19898.

Category

8.8
CVSS
Severity: High
CVSS 3.0 •
EPSS 1.16% Top 25%
Third-Party Advisory zerodayinitiative.com
Affected: TP-Link Archer AX21
Published at:
Updated at:

References

Link Tags
https://www.zerodayinitiative.com/advisories/ZDI-23-245/ third party advisory

Frequently Asked Questions

What is the severity of CVE-2023-27332?
CVE-2023-27332 has been scored as a high severity vulnerability.
How to fix CVE-2023-27332?
To fix CVE-2023-27332, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-27332 being actively exploited in the wild?
It is possible that CVE-2023-27332 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-27332?
CVE-2023-27332 affects TP-Link Archer AX21.
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