CVE-2026-82691CWE-77CWE-78command-injection

CVE-2026-82691

Critical · published August 31, 2026

CVSS v3.1
9.1
EPSS
4%
Percentile
89.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
9.4 · CVSS: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
EPSS
0.03605 · 89.4th percentile
Weaknesses
CWE-77 · Improper Neutralization of Special Elements used in a Command ('Command Injection'); CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2026-08-31T16:17Z
References (6)
https://github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/DLINK-CMD-005-vulndb.md · [email protected]https://vuldb.com/cve/CVE-2026-82691 · [email protected]https://vuldb.com/submit/894210 · [email protected]https://vuldb.com/vuln/397179 · [email protected]https://vuldb.com/vuln/397179/cti · [email protected]https://www.dlink.com/ · [email protected]
EPSS history
Timeline
  • 02 SEP 03:40Z
    EPSS moved — → 2%
    epss
  • 31 AUG 11:45Z
    D-Link DNS-320L/DNS-327L/DNS-340L/DNS-345 CGI usb_device.cgi os command injection
    cvelistv5