High severity7.2NVD Advisory· Published Feb 8, 2026· Updated Jun 17, 2026
CVE-2026-2191
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3cpe:2.3:o:tenda:ac9_firmware:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:tenda:ac9_firmware:*:*:*:*:*:*:*:*range: 15.03.06.42_multi
- cpe:2.3:o:tenda:ac9_firmware:15.03.06.42_multi:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
5- github.com/glkfc/IoT-Vulnerability/blob/main/Tenda/tenda3.mdnvdExploitThird Party Advisory
- vuldb.comnvdThird Party AdvisoryVDB Entry
- vuldb.comnvdThird Party AdvisoryVDB Entry
- vuldb.comnvdPermissions RequiredVDB Entry
- www.tenda.com.cnnvdProduct
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