CVE-2026-82689

CRITICAL 9.9

D-Link DNS-320L/DNS-327L/DNS-340L/DNS-345 ISO Image isomount_mgr.cgi os command injection

CVSS Score

9.9

EPSS Score

0.0%

EPSS Percentile

0th

A vulnerability was detected in D-Link DNS-320L, DNS-327L, DNS-340L and DNS-345 up to 20260717. Affected is an unknown function of the file /cgi-bin/isomount_mgr.cgi of the component ISO Image Handler. The manipulation of the argument upIsoRootPath results in os command injection. The attack can be executed remotely. The exploit is now 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:L/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/397177 vuldb.com: https://vuldb.com/vuln/397177/cti vuldb.com: https://vuldb.com/cve/CVE-2026-82689 vuldb.com: https://vuldb.com/submit/894201 github.com: https://github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/DLINK-CMD-003-vulndb.md dlink.com: https://www.dlink.com/

Credits

🔍 ST4R0001 (VulDB User)