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    CVE-2025-3663

    A vulnerability, which was classified as critical, has been found in TOTOLINK A3700R 9.1.2u.5822_B20200513. This issue affects the function setWiFiEasyCfg/setWiFiEasyGuestCfg of the file /cgi-bin/cstecgi.cgi of the component Password Handler. The manipulation leads to improper access controls. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

    Published:Apr 16, 2025
    Last Modified:May 12, 2025
    EPS:Apr 16, 2025
    EPSS Score:0.00341
    CVSS Score:5.3

    Affected Products

    Vendor
    Totolink
    Product
    A3700r
    Vendor
    Totolink
    Product
    A3700r Firmware

    Exploits

    https://lavender-bicycle-a5a.notion.site/TOTOLINK-A3700R-setWiFiEasyCfg-1cb53a41781f809f807efe1284f5eb1a?pvs=4

    Related CVEs

    CVE-2026-1143 (CVSS 7.4) — A weakness has been identified in TOTOLINK A3700R 9.1.2u.5822_B20200513. This affects the function setWiFiEasy…
    CVE-2025-3675 (CVSS 6.9) — A vulnerability was found in TOTOLINK A3700R 9.1.2u.5822_B20200513. It has been rated as critical. Affected by…
    CVE-2025-3674 (CVSS 6.9) — A vulnerability was found in TOTOLINK A3700R 9.1.2u.5822_B20200513. It has been declared as critical. Affected…
    CVE-2025-3668 (CVSS 6.9) — A vulnerability was found in TOTOLINK A3700R 9.1.2u.5822_B20200513. It has been declared as critical. This vul…
    CVE-2025-3667 (CVSS 6.9) — A vulnerability was found in TOTOLINK A3700R 9.1.2u.5822_B20200513. It has been classified as critical. This a…
    CVE-2025-3666 (CVSS 6.9) — A vulnerability was found in TOTOLINK A3700R 9.1.2u.5822_B20200513 and classified as critical. Affected by thi…
    CVE-2025-3665 (CVSS 6.9) — A vulnerability has been found in TOTOLINK A3700R 9.1.2u.5822_B20200513 and classified as critical. Affected b…
    CVE-2025-3664 (CVSS 6.9) — A vulnerability, which was classified as critical, was found in TOTOLINK A3700R 9.1.2u.5822_B20200513. Affecte…
    CVE-2024-42543 (CVSS 9.8) — TOTOLINK A3700R v9.1.2u.5822_B20200513 has a buffer overflow vulnerability in the http_host parameter in the l…
    CVE-2024-42545 (CVSS 9.8) — TOTOLINK A3700R v9.1.2u.5822_B20200513 has a buffer overflow vulnerability in the ssid parameter in setWizardC…

    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