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    CVE-2021-43711

    The downloadFlile.cgi binary file in TOTOLINK EX200 V4.0.3c.7646_B20201211 has a command injection vulnerability when receiving GET parameters. The parameter name can be constructed for unauthenticated command execution.

    Published:Jan 4, 2022
    Last Modified:Nov 21, 2024
    EPS:Jan 4, 2022
    EPSS Score:0.19992
    CVSS Score:9.8

    Affected Products

    Vendor
    Totolink
    Product
    Ex200
    Vendor
    Totolink
    Product
    Ex200 Firmware

    Exploits

    https://github.com/doudoudedi/ToTolink_EX200_Cmmand_Execute/blob/main/ToTolink%20EX200%20Comand%20Injection2.mdhttps://github.com/doudoudedi/ToTolink_EX200_Cmmand_Execute/blob/main/ToTolink%20EX200%20Comand%20Injection2.md

    Related CVEs

    CVE-2026-15271 (CVSS 7.7) — A security vulnerability has been detected in TOTOLINK A3000RU, A3100R, A950RG, AC1200T10, CP450, CS185R_T10 a…
    CVE-2026-11620 (CVSS 5.5) — A security flaw has been discovered in TOTOLINK EX200 4.0.3c.7646. This affects an unknown function of the fil…
    CVE-2024-53333 (CVSS 6.3) — TOTOLINK EX200 v4.0.3c.7646_B20201211 was found to contain a command insertion vulnerability in the setUssd fu…
    CVE-2024-7336 (CVSS 8.7) — A vulnerability classified as critical was found in TOTOLINK EX200 4.0.3c.7646_B20201211. Affected by this vul…
    CVE-2024-7335 (CVSS 8.7) — A vulnerability classified as critical has been found in TOTOLINK EX200 4.0.3c.7646_B20201211. Affected is the…
    CVE-2024-31810 (CVSS 9.8) — TOTOLINK EX200 V4.0.3c.7646_B20201211 was discovered to contain a hardcoded password for root at /etc/shadow.s…
    CVE-2024-32326 (CVSS 6.8) — TOTOLINK EX200 V4.0.3c.7646_B20201211 contains a Cross-site scripting (XSS) vulnerability through the key para…
    CVE-2024-32325 (CVSS 2.4) — TOTOLINK EX200 V4.0.3c.7646_B20201211 contains a Cross-site scripting (XSS) vulnerability through the ssid par…
    CVE-2024-31806 (CVSS 6.5) — TOTOLINK EX200 V4.0.3c.7646_B20201211 was discovered to contain a Denial-of-Service (DoS) vulnerability in the…
    CVE-2024-31807 (CVSS 9.8) — TOTOLINK EX200 V4.0.3c.7646_B20201211 was discovered to contain a remote code execution (RCE) vulnerability vi…

    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