Unrated severityNVD Advisory· Published Feb 21, 2026· Updated Feb 23, 2026
Tenda A21 openSchedWifi setSchedWifi stack-based overflow
CVE-2026-2873
Description
A vulnerability was detected in Tenda A21 1.0.0.0. This issue affects the function setSchedWifi of the file /goform/openSchedWifi. Performing a manipulation of the argument schedStartTime/schedEndTime results in stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit is now public and may be used.
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Affected products
2Patches
Vulnerability mechanics
References
5- github.com/QIU-DIE/cve-nneeww/issues/4mitreexploitissue-tracking
- vuldb.commitrethird-party-advisory
- vuldb.commitresignaturepermissions-required
- vuldb.commitrevdb-entrytechnical-description
- www.tenda.com.cnmitreproduct
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