CVE-2026-82688: D-Link DNS-340L/DNS-345 Virtual Volume virtual_vol.cgi os command injection
A security vulnerability has been detected in D-Link DNS-340L and DNS-345 1.01B04/1.03B06/1.04.B02/1.05b04. This impacts an unknown function of the file /cgi-bin/virtualvol.cgi of the component Virtual Volume Handler. The manipulation of the argument fsharename/ftarget/fname leads to os command injection. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used.
Affected Software
Event History
Frequently Asked Questions
Which systems are affected?
The affected products are D-Link DNS-340L and DNS-345 devices running firmware versions 1.01B04, 1.03B06, 1.04.B02, or 1.05b04.
What access does an attacker need to exploit this issue?
Exploitation is remote and requires high privileges. The vulnerable Virtual Volume Handler accepts crafted f_sharename, f_target, or f_name arguments in /cgi-bin/virtual_vol.cgi, leading to operating-system command injection.
How urgent is remediation?
The issue is rated critical with a 9.1 severity score, and public exploit disclosure means exploit code or exploit details may be available to attackers. Prioritize affected devices that are reachable over the network or used by high-privilege administrators.