CVE-2026-82691: A vulnerability has been found in D-Link DNS-320L, DNS-327L, DNS-340L and DNS-345 up to 20260717. Affected by this issue is some unknown functionality of the…

PriorityP270critical9.1CVSS 3.1

AVNACLPRHUINSCCHIHAH

EPSS

3.60%

89.4th percentile

A vulnerability has been found in D-Link DNS-320L, DNS-327L, DNS-340L and DNS-345 up to 20260717. Affected by this issue is some unknown functionality of the file /cgi-bin/usb_device.cgi of the component CGI Handler. Such manipulation of the argument f_ups_ip leads to os command injection. The attack may be performed from remote. The exploit has been disclosed to the public and may be used.

Affected

4 ranges

Vendor	Product	Version range	Fixed in
d-link	dns-320l	—	—
d-link	dns-327l	—	—
d-link	dns-340l	—	—
d-link	dns-345	—	—

CVSS provenance

nvdv3.19.1CRITICALCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

nvdv4.08.5HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

nvdv2.08.3HIGHAV:N/AC:L/Au:M/C:C/I:C/A:C

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