Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Tenda | Tx9 Firmware | <= 22.03.02.10 |
| Tenda | Tx9 | - |
Related Weaknesses (CWE)
References
- https://github.com/MRAdera/IoT-Vuls/blob/main/tenda/tx9%20pro/setMacFilterCfg.mdExploitThird Party Advisory
- https://github.com/MRAdera/IoT-Vuls/blob/main/tenda/tx9%20pro/setMacFilterCfg.mdExploit
- https://vuldb.com/?ctiid.344775Permissions RequiredVDB Entry
- https://vuldb.com/?id.344775Third Party AdvisoryVDB Entry
- https://vuldb.com/?submit.747251Third Party AdvisoryVDB Entry
- https://vuldb.com/?submit.749747Third Party AdvisoryVDB Entry
- https://www.tenda.com.cn/Product
FAQ
What is CVE-2026-2140?
CVE-2026-2140 is a vulnerability with a CVSS score of 8.8 (HIGH). 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...
How severe is CVE-2026-2140?
CVE-2026-2140 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-2140?
Check the references section above for vendor advisories and patch information. Affected products include: Tenda Tx9 Firmware, Tenda Tx9.