Vulnerability record · CVE-2026-82689 · published 31 August 2026

CVE-2026-82689: Command injection vulnerability

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.

8.6 CVSS 4.0 High EPSS 3.3% · top 12.0% CWE-77 · Command injectionCWE-78 · OS command injection Deferred

8.6CVSS 4.0 base score, v2 9.0

3.3%EPSS exploitation probability, 30 days

NoNot in CISA KEV

0Affected product versions listed by NVD

7References

31 Aug 2026Last modified by NVD

Description

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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:

References

Link	Tags
https://github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/DLINK-CMD-003-vulndb.md
https://vuldb.com/cve/CVE-2026-82689
https://vuldb.com/submit/894201
https://vuldb.com/vuln/397177
https://vuldb.com/vuln/397177/cti
https://www.dlink.com/
https://vuldb.com/submit/894201

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Source: NIST National Vulnerability Database (record CVE-2026-82689), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.