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D-Link DNS-340L and DNS-345 Virtual Volume CGI Injects Input Arguments Unsanitized into the Shell, Enabling Authenticated Admin Remote Code Execution

Last refreshed2026-09-28

Status: NEW  |  Advisory ID: CVE-2026-82688

Key Details

CVECVE-2026-82688
CVSS Score / Version9.1 (Critical) / CVSS v3.1
Updated2026-09-01
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CVSS Proseattack vector is network; attack complexity is low; privileges required is high; user interaction is none; scope is changed; confidentiality impact is high; integrity impact is high; availability impact is high.
Classified asCWE-77 (Improper Neutralization of Special Elements used in a Command ('Command Injection'))

What to Know

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. (NVD)

References

SourceReference
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-82688
CVEhttps://www.cve.org/CVERecord?id=CVE-2026-82688