CVE-2026-82692
Received Received - Intake

OS Command Injection in D-Link DNS-340L and DNS-345

Publication date: 2026-08-31

Last updated on: 2026-08-31

Assigner: VulDB

Description
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.

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Meta Information

Published
2026-08-31
Last Modified
2026-08-31
Generated
2026-08-31
AI Q&A
2026-08-31
EPSS Evaluated
N/A
NVD
CVE-2026-82692
EUVD
EUVD-2026-68503

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
d-link dns-340l to 20260717 (inc)
d-link dns-345 to 20260717 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-77 The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.
CWE-78 The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.

Attack-Flow Graph

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Executive Summary

CVE-2026-82692 is an OS command injection vulnerability in D-Link DNS-340L and DNS-345 ShareCenter NAS devices. It exists in the iscsi_mgr.cgi CGI handler, which manages iSCSI targets. Authenticated attackers can inject shell commands into parameters like alias, username, password, and volume_location, allowing arbitrary command execution as the CGI process user.

Detection Guidance

Check if your D-Link DNS-340L or DNS-345 devices are running affected firmware versions up to 20260717. Inspect network traffic for requests to /cgi-bin/iscsi_mgr.cgi with parameters like alias, username, password, or volume_location containing shell metacharacters. Use tools like curl to test for command injection by sending crafted payloads to these parameters.

Impact Analysis

This vulnerability allows attackers to run arbitrary commands on the device, potentially modifying iSCSI configurations, accessing stored data, or disrupting storage services. Since it requires authentication, attackers must first gain access to the system.

Compliance Impact

This vulnerability could lead to unauthorized access to sensitive data stored on the affected D-Link devices, potentially violating GDPR and HIPAA requirements for data confidentiality and integrity. Unauthorized command execution may allow attackers to exfiltrate, modify, or delete data, which could result in non-compliance with these regulations.

Mitigation Strategies

Isolate affected devices from the network if possible. Disable or restrict access to the /cgi-bin/iscsi_mgr.cgi endpoint. Apply firmware updates from D-Link if available. Implement strict input validation for CGI parameters. Monitor for unusual command execution or network activity.

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