← All Advisories

D-Link DNS-340L 1.01B04 Add-On Center CGI Passes f_name, f_url, and f_flag Unsanitized to the Shell, Enabling Authenticated Admin Remote Code Execution

Last refreshed2026-09-28

Status: NEW  |  Advisory ID: CVE-2026-85222

Key Details

CVECVE-2026-85222
CVSS Score / Version9.1 (Critical) / CVSS v3.1
Updated2026-09-04
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 vulnerability has been found in D-Link DNS-340L 1.01B04. Affected by this vulnerability is an unknown functionality of the file /cgi-bin/addon_center.cgi of the component Add-On Center. Such manipulation of the argument f_name/f_url/f_flag/f_login_user leads to os command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. (NVD)

References

SourceReference
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-85222
CVEhttps://www.cve.org/CVERecord?id=CVE-2026-85222