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CRITICAL

CVE-2026-82689

CVSS v3

9.9

CRITICAL

EPSS Score

2.4 %

exploit probability

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

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.

Technical details

CVSS v3 Vector
3.1
Published
2026-08-31
Last Modified
2026-08-31

Frequently asked questions

What is CVE-2026-82689?

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.

Is CVE-2026-82689 actively exploited?

Active exploitation of CVE-2026-82689 has not been confirmed. The EPSS score is 2.4%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-82689?

CVE-2026-82689 has a CVSS v3 base score of 9.9 (CRITICAL severity), with vector string 3.1.

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