CVE-2026-2140

CWE-119 — Buffer OverflowCWE-120 — Classic Buffer Overflow3 documents3 sources
Severity
7.4HIGH
EPSS
0.0%
top 89.77%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Tenda TX9 FirmwareTenda TX9
Timeline
PublishedFeb 8

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 vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Affected Packages2 packages

▶NVDtenda/tx9_firmware22.03.02.10
▶CVEListV5tenda/tx922.03.02.10_multi

🔴Vulnerability Details

2
CVEList
Tenda TX9 setMacFilterCfg sub_4223E0 buffer overflow↗2026-02-08
▶
GHSA
GHSA-qmm8-vq32-mvfg: A vulnerability was identified in Tenda TX9 up to 22↗2026-02-08
▶