CVE-2023-27359: (Pwn2Own) TP-Link AX1800 hotplugd Firewall Rule Race Condition Vulnerability

Published May 3, 2024
·
Updated

This vulnerability allows remote attackers to gain access to LAN-side services on affected installations of TP-Link Archer AX21 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the hotplugd daemon. The issue results from firewall rule handling that allows an attacker access to resources that should be available to the LAN interface only. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the root user.

Affected Software

3 affected components
TP-Link AX1800
All of the following
TP-Link Archer Ax21 Firmware=1.1.1-build20220603
TP-Link Archer AX21=3.0

Event History

May 3, 2024
CVE Published
via MITRE·01:56 AM
Data Sourced
via MITRE·01:56 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·02:15 AM
DescriptionSeverityWeaknessAffected Software
Jan 20, 2025
Advisory Published
via ZDI·05:12 AM
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Frequently Asked Questions

1

What is the severity of CVE-2023-27359?

CVE-2023-27359 is considered a high severity vulnerability due to its potential for remote exploitation without authentication.

2

How can I fix CVE-2023-27359?

To fix CVE-2023-27359, users should update the firmware of TP-Link Archer AX21 routers to the latest version provided by the vendor.

3

What does CVE-2023-27359 exploit?

CVE-2023-27359 exploits a flaw in the hotplugd daemon, allowing unauthorized access to LAN-side services.

4

Who is affected by CVE-2023-27359?

Users of TP-Link Archer AX21 routers are affected by CVE-2023-27359.

5

Is authentication required to exploit CVE-2023-27359?

No, authentication is not required to exploit CVE-2023-27359, making it accessible to remote attackers.

Contact

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