CVE-2026-82690: OS Command Injection in D-Link DNS-327L
Description
A critical OS command injection vulnerability exists in D-Link DNS-327L and DNS-340L devices up to version 20260717. The flaw is in the /cgi-bin/ve_mgr.cgi file where manipulation of the f_dev argument allows remote attackers to execute arbitrary OS commands. Exploit code has been published, but no confirmed in-the-wild exploitation is reported. No official patch or remediation guidance is currently available from the vendor.
CVSS v4.0
Score 9.4critical
Affected software
D-Link
DNS-327L
D-Link
DNS-340L
cpe:2.3:h:d-link:dns-327l:*:*:*:*:*:*:*:*cpe:2.3:h:d-link:dns-340l:*:*:*:*:*:*:*:*AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-82690 is an OS command injection vulnerability affecting D-Link DNS-327L and DNS-340L devices up to version 20260717. The vulnerability resides in an unspecified functionality of the /cgi-bin/ve_mgr.cgi CGI script, where improper sanitization of the f_dev parameter allows remote attackers to inject and execute arbitrary operating system commands. The vulnerability is remotely exploitable without user interaction and has a CVSS 4.0 base score of 9.4, indicating critical severity. Although exploit code has been published, there is no evidence of active exploitation in the wild. No vendor advisory or patch information is currently available.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary OS commands on affected devices, potentially leading to full system compromise. This can result in unauthorized control over the device, data theft, or disruption of service.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, consider restricting network access to the affected devices and monitoring for suspicious activity related to the /cgi-bin/ve_mgr.cgi endpoint.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-08-30T17:35:30.937Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6a95678facd9273b4906f1df
Added to database: 08/31/2026, 11:37:51 UTC
Last enriched: 09/07/2026, 15:50:11 UTC
Last updated: 10/15/2026, 18:48:24 UTC
Views: 71
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