High severity8.8NVD Advisory· Published Mar 23, 2026· Updated Apr 3, 2026
CVE-2026-4565
CVE-2026-4565
Description
A vulnerability was detected in Tenda AC21 16.03.08.16. Impacted is the function formSetQosBand of the file /goform/SetNetControlList. Performing a manipulation of the argument list results in buffer overflow. The attack can be initiated remotely. The exploit is now public and may be used.
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Affected products
2- cpe:2.3:o:tenda:ac21_firmware:16.03.08.16:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
6- github.com/hellonestor/killallbug/issues/14nvdExploitIssue Tracking
- github.com/hellonestor/killallbug/releases/tag/pocnvdExploit
- vuldb.comnvdThird Party AdvisoryVDB Entry
- vuldb.comnvdThird Party AdvisoryVDB Entry
- vuldb.comnvdPermissions RequiredVDB Entry
- www.tenda.com.cnnvdProduct
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