CVE-2026-82689
9.9
CRITICAL · CVSS 3.1 · EPSS 3.3% (pctl 88)
In your normal cycle
Critical by CVSS (9.9), but no sign of active exploitation.
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.
Scoring
| CVSS | 9.9 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
| EPSS | 3.28% — more likely to be exploited than 88% of all CVEs |
| Weakness | CWE-77 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2026-08-31 |
| Last modified | 2026-08-31 |
References
- 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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