Vulnerability 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.
CVSS Score
CRITICAL
Related Weaknesses (CWE)
References
- https://github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/
- 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
FAQ
What is CVE-2026-82689?
CVE-2026-82689 is a vulnerability with a CVSS score of 9.9 (CRITICAL). 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...
How severe is CVE-2026-82689?
CVE-2026-82689 has been rated CRITICAL with a CVSS base score of 9.9/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-82689?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.