CVE-2026-2140
High
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.
SeverityHigh
CVSS8.8
Exploit probability—
ProductTenda Tx9 Firmware
PublishedFeb 8, 2026
First seenFeb 8, 2026
Weakness typeCWE-120CWE-120CWE-119Memory buffer bounds error
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| tenda tx9_firmware | v ≤ 22.03.02.10 | — |
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