Unrated severityNVD Advisory· Published Feb 8, 2026· Updated Feb 23, 2026

Tenda TX9 SetStaticRouteCfg sub_42D03C buffer overflow

CVE-2026-2138

Description

A vulnerability was found in Tenda TX9 up to 22.03.02.10_multi. Affected is the function sub_42D03C of the file /goform/SetStaticRouteCfg. The manipulation of the argument list results in buffer overflow. The attack can be launched remotely. The exploit has been made public and could 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/SetStaticRouteCfg.mdmitreexploit
vuldb.commitrethird-party-advisory
github.com/MRAdera/IoT-Vuls/blob/main/tenda/tx9%20pro/SetStaticRouteCfg.mdmitrerelated
vuldb.commitresignaturepermissions-required
vuldb.commitrevdb-entrytechnical-description
www.tenda.com.cnmitreproduct

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