VulnerabilityAnalyzed
CVE-2026-2140
A vulnerability was identified in Tenda TX9 up to 22.03.02.10_multi.
HIGH 7.4EPSS 0.76%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.76%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 4.0
- 7.4 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 0.76% probability · 53th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119, CWE-120
- Affected
- tenda/tx9 firmware
- Source
- cna@vuldb.com
References
- https://github.com/MRAdera/IoT-Vuls/blob/main/tenda/tx9%20pro/setMacFilterCfg.mdExploit, Third Party Advisory
- https://github.com/MRAdera/IoT-Vuls/blob/main/tenda/tx9%20pro/setMacFilterCfg.md#pocExploit
- https://vuldb.com/?ctiid.344775Permissions Required, VDB Entry
- https://vuldb.com/?id.344775Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.747251Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.749747Third Party Advisory, VDB Entry
- https://www.tenda.com.cn/Product
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.