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    CVE-2021-40406

    A denial of service vulnerability exists in the cgiserver.cgi session creation functionality of reolink RLC-410W v3.0.0.136_20121102. A specially-crafted HTTP request can lead to prevent users from logging in. An attacker can send an HTTP request to trigger this vulnerability.

    Published:Jan 28, 2022
    Last Modified:Apr 15, 2025
    EPS:Jan 28, 2022
    EPSS Score:0.00616
    CVSS Score:7.5

    Affected Products

    Vendor
    Reolink
    Product
    Rlc-410w
    Vendor
    Reolink
    Product
    Rlc-410w Firmware

    Exploits

    https://talosintelligence.com/vulnerability_reports/TALOS-2021-1423https://talosintelligence.com/vulnerability_reports/TALOS-2021-1423

    Related CVEs

    CVE-2021-44394 (CVSS 7.5) — Multiple denial of service vulnerabilities exist in the cgiserver.cgi JSON command parser functionality of Reo…
    CVE-2021-44375 (CVSS 7.5) — Multiple denial of service vulnerabilities exist in the cgiserver.cgi JSON command parser functionality of Reo…
    CVE-2021-44366 (CVSS 7.5) — Multiple denial of service vulnerabilities exist in the cgiserver.cgi JSON command parser functionality of Reo…
    CVE-2021-44357 (CVSS 7.5) — Multiple denial of service vulnerabilities exist in the cgiserver.cgi JSON command parser functionality of Reo…
    CVE-2021-44356 (CVSS 7.5) — Multiple denial of service vulnerabilities exist in the cgiserver.cgi JSON command parser functionality of Reo…
    CVE-2021-44355 (CVSS 7.5) — Multiple denial of service vulnerabilities exist in the cgiserver.cgi JSON command parser functionality of Reo…
    CVE-2021-44354 (CVSS 7.5) — Multiple denial of service vulnerabilities exist in the cgiserver.cgi JSON command parser functionality of Reo…
    CVE-2021-40405 (CVSS 6.5) — A denial of service vulnerability exists in the cgiserver.cgi Upgrade API functionality of Reolink RLC-410W v3…
    CVE-2021-44419 (CVSS 7.7) — A denial of service vulnerability exists in the cgiserver.cgi JSON command parser functionality of reolink RLC…
    CVE-2021-44417 (CVSS 7.7) — A denial of service vulnerability exists in the cgiserver.cgi JSON command parser functionality of reolink RLC…

    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