CVE-2026-82691

CRITICAL 9.1

D-Link DNS-320L/DNS-327L/DNS-340L/DNS-345 CGI usb_device.cgi os command injection

CVSS Score

9.1

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-78 CWE-77
Vendor	d-link
Product	dns-320l
Published	Aug 31, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

D-Link / DNS-320L

20260717

D-Link / DNS-327L

20260717

D-Link / DNS-340L

20260717

D-Link / DNS-345

20260717

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/397179 vuldb.com: https://vuldb.com/vuln/397179/cti vuldb.com: https://vuldb.com/cve/CVE-2026-82691 vuldb.com: https://vuldb.com/submit/894210 github.com: https://github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/DLINK-CMD-005-vulndb.md dlink.com: https://www.dlink.com/

Credits

🔍 ST4R0001 (VulDB User)