CVE-2026-2140

HIGH

Tenda TX9 < 22.03.02.10 - Buffer Overflow via setMacFilterCfg deviceList Parameter

Title source: llm
STIX 2.1

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.

References (7)

Core 7
Core References
Third Party Advisory, VDB Entry vdb-entry technical-description
https://vuldb.com/?id.344775
Permissions Required, VDB Entry signature permissions-required
https://vuldb.com/?ctiid.344775
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.747251
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.749747
Product product
https://www.tenda.com.cn/

Scores

CVSS v3 8.8
EPSS 0.0073
EPSS Percentile 49.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-120 CWE-119
Status published
Products (1)
tenda/tx9_firmware < 22.03.02.10
Published Feb 08, 2026
Tracked Since Feb 18, 2026