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    CVE-2026-2138

    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.

    Published:Feb 8, 2026
    Last Modified:Apr 18, 2026
    EPS:Feb 8, 2026
    EPSS Score:0.00039
    CVSS Score:8.8

    Affected Products

    Vendor
    Tenda
    Product
    Tx9
    Vendor
    Tenda
    Product
    Tx9 Firmware

    Exploits

    https://github.com/MRAdera/IoT-Vuls/blob/main/tenda/tx9%20pro/SetStaticRouteCfg.mdhttps://github.com/MRAdera/IoT-Vuls/blob/main/tenda/tx9%20pro/SetStaticRouteCfg.md#poc

    Related CVEs

    CVE-2024-51315 (CVSS 9.8) — The Tenda TX9 V22.03.02.20 firmware has a stack overflow vulnerability in the sub_425964 function of the file …
    CVE-2024-51311 (CVSS 9.8) — The Tenda TX9 V22.03.02.05 firmware has a stack overflow vulnerability in the sub_4418CC function of the file …
    CVE-2024-51312 (CVSS 9.8) — The Tenda TX9 V22.03.02.20 firmware has a stack overflow vulnerability in the sub_42EEE0 function of the file …
    CVE-2024-51313 (CVSS 9.8) — The Tenda TX9 V22.03.02.20 firmware has a stack overflow vulnerability in the sub_42EA38 function of the file …
    CVE-2024-51314 (CVSS 9.8) — The Tenda TX9 V22.03.02.20 firmware has a stack overflow vulnerability in the sub_424CE0 function of the file …
    CVE-2024-51316 (CVSS 7.5) — The Tenda TX9 V22.03.02.20 firmware has a denial of service vulnerability in the update_dev_name function of t…
    CVE-2026-2140 (CVSS 7.4) — A vulnerability was identified in Tenda TX9 up to 22.03.02.10_multi. Affected by this issue is the function su…
    CVE-2026-2139 (CVSS 7.4) — A vulnerability was determined in Tenda TX9 up to 22.03.02.10_multi. Affected by this vulnerability is the fun…
    CVE-2023-47422 (CVSS 8.8) — An access control issue in /usr/sbin/httpd in Tenda TX9 V1 V22.03.02.54, Tenda AX3 V3 V16.03.12.11, Tenda AX9 …

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High