Unrated severityNVD Advisory· Published Feb 8, 2026· Updated Feb 23, 2026
Tenda TX9 setMacFilterCfg sub_4223E0 buffer overflow
CVE-2026-2140
Description
A vulnerability was identified in Tenda TX9 up to 22.03.02.10_multi. Affected by this issue is the function sub_4223E0 of the file /goform/setMacFilterCfg. Such manipulation of the argument deviceList leads to buffer overflow. The attack may be launched remotely. The exploit is publicly available and might be used.
Affected products
2- Tenda/TX9v5cpe:2.3:o:tenda:tx9_firmware:*:*:*:*:*:*:*:*Range: 22.03.02.10_multi
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
7- github.com/MRAdera/IoT-Vuls/blob/main/tenda/tx9%20pro/setMacFilterCfg.mdmitreexploit
- vuldb.commitrethird-party-advisory
- vuldb.commitrethird-party-advisory
- github.com/MRAdera/IoT-Vuls/blob/main/tenda/tx9%20pro/setMacFilterCfg.mdmitrerelated
- vuldb.commitresignaturepermissions-required
- vuldb.commitrevdb-entrytechnical-description
- www.tenda.com.cnmitreproduct
News mentions
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