TP-Link AC1750 NetUSB Integer Overflow Remote Code Execution Vulnerability

February 10th, 2022
ZDI-22-264 ZDI-CAN-15835

CVE ID

CVE-2022-24354

CVSS Score

8.8 AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors

TP-Link

Affected Products

AC1750

Vulnerability Details

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link AC1750 routers. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the NetUSB.ko module. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before allocating a buffer. An attacker can leverage this vulnerability to execute code in the context of root.

Additional Details

Fixed in firmware 211210


Disclosure Timeline

  • 2021-12-01 - Vulnerability reported to vendor
  • 2022-02-10 - Coordinated public release of advisory

Credit

Axel '0vercl0k' Souchet from https://doar-e.github.io/

Back to Advisories