CVE-2026-85223

D-Link DNS-340L CGI dropbox.cgi os command injection

Published: Sep 3, 2026Updated: Sep 4, 2026 Sources: CVE List NVDCWE-77

9.9CRITICAL

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:LPrivileges Required

Low

UI:NUser Interaction

None

Scope

S:CScope

Changed

Impact

C:HConfidentiality

High

I:HIntegrity

High

A:HAvailability

High

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Weaknesses

CWE-77 CWE-78

Affected Products

D-Link

commercial·TW

DNS-340L

Networking Infrastructure

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique

Execution

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References

https://github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/DLINK-CMD-008-vulndb.md

github.com

https://vuldb.com/cve/CVE-2026-85223

vuldb.com

https://vuldb.com/submit/894213

vuldb.com

and 3 more references View all →

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