Unrated severityNVD Advisory· Published Jan 29, 2026· Updated Feb 23, 2026
Tenda AC21 AdvSetMacMtuWan fromAdvSetMacMtuWan stack-based overflow
CVE-2026-1637
Description
A vulnerability was identified in Tenda AC21 16.03.08.16. The affected element is the function fromAdvSetMacMtuWan of the file /goform/AdvSetMacMtuWan. The manipulation leads to stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit is publicly available and might be used.
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Affected products
2Patches
Vulnerability mechanics
References
5- github.com/LX-LX88/cve/issues/25mitrebroken-linkexploitissue-tracking
- vuldb.commitrethird-party-advisory
- vuldb.commitresignaturepermissions-required
- vuldb.commitrevdb-entrytechnical-description
- www.tenda.com.cnmitreproduct
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