CVE-2026-2140
Tenda TX9 setMacFilterCfg sub_4223E0 buffer overflow
CVSS Score
8.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-120 CWE-119 |
| Vendor | tenda |
| Product | tx9 |
| Published | Feb 8, 2026 |
| Last Updated | Feb 23, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Tenda / TX9
22.03.02.10_multi
References
vuldb.com: https://vuldb.com/?id.344775 vuldb.com: https://vuldb.com/?ctiid.344775 vuldb.com: https://vuldb.com/?submit.747251 vuldb.com: https://vuldb.com/?submit.749747 github.com: https://github.com/MRAdera/IoT-Vuls/blob/main/tenda/tx9%20pro/setMacFilterCfg.md github.com: https://github.com/MRAdera/IoT-Vuls/blob/main/tenda/tx9%20pro/setMacFilterCfg.md#poc tenda.com.cn: https://www.tenda.com.cn/
Credits
🔍 kdb3169 (VulDB User)