Unrated severityNVD Advisory· Published Feb 8, 2026· Updated Feb 23, 2026
D-Link DIR-823X set_qos sub_420688 os command injection
CVE-2026-2142
Description
A weakness has been identified in D-Link DIR-823X 250416. This vulnerability affects the function sub_420688 of the file /goform/set_qos. Executing a manipulation can lead to os command injection. The attack can be executed remotely. The exploit has been made available to the public and could be used for attacks.
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Affected products
2Patches
Vulnerability mechanics
References
5- github.com/master-abc/cve/issues/29mitreexploitissue-tracking
- vuldb.commitrethird-party-advisory
- vuldb.commitresignaturepermissions-required
- vuldb.commitrevdb-entrytechnical-description
- www.dlink.commitreproduct
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