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    CVE-2026-41922

    WDR201A WiFi Extender (HW V2.1, FW LFMZX28040922V1.02) contains an OS command injection vulnerability in the wireless.cgi binary that allows unauthenticated remote attackers to execute arbitrary shell commands by injecting malicious input into the sz11gChannel or PIN POST parameters. Attackers can exploit unsanitized parameter handling in the set_wifi_basic and set_wifi_do_wps functions to achieve remote code execution without authentication.

    Published:May 4, 2026
    Last Modified:May 26, 2026
    EPS:May 4, 2026
    EPSS Score:0.01086
    CVSS Score:9.3

    Affected Products

    Vendor
    Shenzhen Yuner Yipu
    Product
    Wifi Extender Wdr201a

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-41927 (CVSS 8.3) — WDR201A WiFi Extender (HW V2.1, FW LFMZX28040922V1.02) contains a stack-based buffer overflow vulnerability in…
    CVE-2026-41926 (CVSS 9.3) — WDR201A WiFi Extender (HW V2.1, FW LFMZX28040922V1.02) contains an OS command injection vulnerability in the f…
    CVE-2026-41925 (CVSS 9.3) — WDR201A WiFi Extender (HW V2.1, FW LFMZX28040922V1.02) contains an OS command injection vulnerability in the a…
    CVE-2026-41924 (CVSS 9.3) — WDR201A WiFi Extender (HW V2.1, FW LFMZX28040922V1.02) contains an OS command injection vulnerability in the m…
    CVE-2026-41923 (CVSS 9.3) — WDR201A WiFi Extender (HW V2.1, FW LFMZX28040922V1.02) contains an OS command injection vulnerability in the i…
    CVE-2026-30704 (CVSS 9.1) — The WiFi Extender WDR201A (HW V2.1, FW LFMZX28040922V1.02) exposes an unprotected UART interface through acces…
    CVE-2026-30701 (CVSS 9.1) — The web interface of the WiFi Extender WDR201A (HW V2.1, FW LFMZX28040922V1.02) contains hardcoded credential …

    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