CVE-2026-85223
D-Link DNS-340L CGI dropbox.cgi os command injection
- State
- Published
- Severity
- 9.4 Critical
- Published
- Sep 3, 2026
- Updated
- Sep 4, 2026
- Reserved
- Sep 3, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 9.4 Critical | 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 | VulDB |
| 3.1 | 9.9 Critical | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 3.0 | 9.9 Critical | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 2.0 | 9.0 High | AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
DNS-340LD-Link |
|
References
- VDB-398422 | D-Link DNS-340L CGI dropbox.cgi os command injectionvdb-entrytechnical-description
- VDB-398422 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- CVE-2026-85223 | CVE Analysis and Reportthird-party-advisory
- Submit #894213 | D-Link DNS-340L ShareCenter confirmed DNS-340L firmware builds OS Command Injectionthird-party-advisory
- https://github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/DLINK-CMD-008-vulndb.mdexploit
- https://www.dlink.com/product
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