CVE-2026-82688: D-Link DNS-340l

Critical severity, CVSS 9.1. EPSS: 3.6% chance of exploitation in the next 30 days.

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/virtual_vol.cgi of the component Virtual Volume Handler. The manipulation of the argument f_sharename/f_target/f_name leads to os command injection. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used.

Affected products

• D-Link DNS-340l: version 1.01B04 only; version 1.03B06 only; version 1.04.B02 only; version 1.05b04 only
• D-Link DNS-345: version 1.01B04 only; version 1.03B06 only; version 1.04.B02 only; version 1.05b04 only

Published 2026-08-31. Last modified 2026-09-01.