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CVE-2023-27346

8.8 · HIGH
Published May 3, 2024 tp-link CWE-121 EPSS 0.71% (51th pctl)

Overview

CVE-2023-27346 is a high-severity vulnerability affecting tp-link archer_ax21_firmware. It was published on May 3, 2024 and has a CVSS 3.0 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.0 base score of 8.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical Description

TP-Link AX1800 Firmware Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link AX1800 routers. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the parsing of firmware images. 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-19703.

Remediation

Check the references section for vendor advisories and patches from tp-link. Update archer_ax21_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor Product Versions Status

Frequently Asked Questions

What is CVE-2023-27346?

CVE-2023-27346 is a high-severity vulnerability affecting tp-link archer_ax21_firmware. It was published on May 3, 2024 and has a CVSS 3.0 base score of 8.8 (HIGH).

How severe is CVE-2023-27346?

This vulnerability has a CVSS 3.0 base score of 8.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2023-27346?

Check the references section for vendor advisories and patches from tp-link. Update archer_ax21_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2023-27346?

CyberStrike's AI-powered security agents can automatically detect CVE-2023-27346 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.