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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Tenda/TX9cpe-rescue2 versions
cpe:2.3:o:tenda:tx9_firmware:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:tenda:tx9_firmware:*:*:*:*:*:*:*:*range: 22.03.02.10_multi
- (no CPE)range: <=22.03.02.10_multi

Patches

Vulnerability mechanics

References

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

No linked articles in our index yet.

cvss	0.000
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000