A vulnerability was found in D-Link DNS-340L and DNS-345 up to 20260717. This affects an unknown part of the file /cgi-bin/iscsi_mgr.cgi. Performing a manipulation of the argument alias/username/password/volume_location results in os command injection. It is possible to initiate the attack remotely. The exploit has been made public and could be used.

A critical OS command injection vulnerability (CVE-2026-82692) has been discovered in D-Link DNS-340L and DNS-345 NAS devices up to firmware version 20260717. The vulnerability exists in the /cgi-bin/iscsi_mgr.cgi file, where manipulation of the alias, username, password, or volume_location arguments can lead to OS command injection. The attack can be initiated remotely without requiring physical access. A public exploit has been released, increasing the risk of active exploitation. The vulnerability affects iSCSI management functionality of the affected D-Link NAS devices. D-Link DNS-340L and DNS-345 are network-attached storage devices commonly used in home and small business environments. The public availability of the exploit significantly elevates the risk level for unpatched devices. Users of affected D-Link NAS devices should apply patches or mitigations immediately to prevent potential compromise.