Answer in brief
CVE-2026-85223 records a Critical severity (CVSS 9.9) vulnerability in D-Link DNS-340L CGI dropbox.cgi os command injection. The current sources do not mark it as known exploited. The current feed maps D-Link/DNS-340L (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 9.9. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps D-Link/DNS-340L (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| D-Link/DNS-340Lgeneric | 1.01B04 | Not reported |
Published upstream
Sep 3, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Sep 4, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Sep 3, 2026
A vulnerability was found in D-Link DNS-340L 1.01B04. Affected by this issue is some unknown functionality of the file /cgi-bin/dropbox.cgi of the component CGI Handler. Performing a manipulation of the argument callback_url/sync_interval results in os command injection. The attack can be initiated remotely. The exploit has been made public and could be used.
Quoted source text, attributed separately from HOL analysis.