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    CVE-2021-42887

    In TOTOLINK EX1200T V4.1.2cu.5215, an attacker can bypass login by sending a specific request through formLoginAuth.htm.

    Published:Jun 3, 2022
    Last Modified:Nov 21, 2024
    EPS:Jun 3, 2022
    EPSS Score:0.59972
    CVSS Score:9.8

    Affected Products

    Vendor
    Totolink
    Product
    Ex1200t
    Vendor
    Totolink
    Product
    Ex1200t Firmware

    Exploits

    https://github.com/p1Kk/vuln/blob/main/totolink_ex1200t_login_bypass.mdhttps://github.com/p1Kk/vuln/blob/main/totolink_ex1200t_login_bypass.md

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2025-51451 (CVSS 9.8) — In TOTOLINK EX1200T firmware 4.1.2cu.5215, an attacker can bypass login by sending a specific request through …
    CVE-2025-6568 (CVSS 7.4) — A vulnerability classified as critical has been found in TOTOLINK EX1200T 4.1.2cu.5232_B20210713. Affected is …
    CVE-2025-6393 (CVSS 7.4) — A vulnerability was found in TOTOLINK A702R, A3002R, A3002RU and EX1200T 3.0.0-B20230809.1615/4.0.0-B20230531.…
    CVE-2025-6336 (CVSS 7.4) — A vulnerability was found in TOTOLINK EX1200T 4.1.2cu.5232_B20210713. It has been classified as critical. Affe…
    CVE-2025-6302 (CVSS 7.4) — A vulnerability, which was classified as critical, was found in TOTOLINK EX1200T 4.1.2cu.5232_B20210713. Affec…
    CVE-2025-6162 (CVSS 7.4) — A vulnerability has been found in TOTOLINK EX1200T 4.1.2cu.5232_B20210713 and classified as critical. Affected…
    CVE-2025-6145 (CVSS 7.4) — A vulnerability was found in TOTOLINK EX1200T 4.1.2cu.5232_B20210713 and classified as critical. Affected by t…
    CVE-2025-6144 (CVSS 7.4) — A vulnerability has been found in TOTOLINK EX1200T 4.1.2cu.5232_B20210713 and classified as critical. Affected…
    CVE-2025-6143 (CVSS 7.4) — A vulnerability, which was classified as critical, was found in TOTOLINK EX1200T 4.1.2cu.5232_B20210713. Affec…
    CVE-2025-6130 (CVSS 7.4) — A vulnerability, which was classified as critical, has been found in TOTOLINK EX1200T 4.1.2cu.5232_B20210713. …

    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