Vulnerability · Published May 3, 2024 · Assigned by zdi

CVE-2023-32151D-Link DIR-2640 DestNetwork Command Injection Remote Code Execution Vulnerability

Medium 6.8

In plain English

A medium-severity OS command injection in DIR-2640 from D-Link. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.8% (higher than 79% of all known vulnerabilities).

Severity (CVSS 3.0)6.8Medium

Exploit odds (30 days)1.8%top 21.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

D-Link DIR-2640 DestNetwork Command Injection Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DIR-2640 routers. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the handling of the DestNetwork parameter provided to the HNAP1 endpoint. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. . Was ZDI-CAN-19548.

Affected products (as reported)

Vendor	Product	Versions
D-Link	DIR-2640	1.11B02 (non-US, CA version)

Weakness: CWE-78 · Vector: CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

References

ZDI-23-543 x_research-advisory
vendor-provided URL vendor-advisory