CVE-2023-32143 D-Link DAP-1360 webupg UPGCGI_CheckAuth Numeric Truncation Remote Code Execution Vulnerability

High 8.8 Published 3 May 2024 Updated 5 Feb 2025

Network-adjacent attackers can execute arbitrary code as root on D-Link DAP-1360 routers via an integer overflow in the webupg endpoint.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-32143?

CVE-2023-32143 is a high-severity vulnerability in D-Link DAP-1360, published on 3 May 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

D-Link DAP-1360 webupg UPGCGI_CheckAuth Numeric Truncation Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-1360 routers. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the handling of requests to the /cgi-bin/webupg endpoint. 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. . Was ZDI-CAN-18423.

Weakness: CWE-197

Which versions are affected by CVE-2023-32143?

It affects 2 products.

Products include Dlink Dap-1360 Firmware, Dlink Dap-2020 Firmware.

How do I fix CVE-2023-32143?

No fix has been published for CVE-2023-32143 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-32143 being exploited?

There is no known exploitation of CVE-2023-32143 in the wild and no public exploit code.

Sources

Also known as GHSA-7g6f-r888-776w.