Unrated severityNVD Advisory· Published Feb 8, 2026· Updated Feb 23, 2026
Tenda AC9 formGetDdosDefenceList stack-based overflow
CVE-2026-2191
Description
A weakness has been identified in Tenda AC9 15.03.06.42_multi. Affected is the function formGetDdosDefenceList. This manipulation of the argument security.ddos.map causes stack-based buffer overflow. The attack may be initiated 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/glkfc/IoT-Vulnerability/blob/main/Tenda/tenda3.mdmitreexploit
- vuldb.commitrethird-party-advisory
- vuldb.commitresignaturepermissions-required
- vuldb.commitrevdb-entrytechnical-description
- www.tenda.com.cnmitreproduct
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