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    CVE-2025-34037

    An OS command injection vulnerability exists in various models of E-Series Linksys routers via the /tmUnblock.cgi and /hndUnblock.cgi endpoints over HTTP on port 8080. The CGI scripts improperly process user-supplied input passed to the ttcp_ip parameter without sanitization, allowing unauthenticated attackers to inject shell commands. This vulnerability was reported to be exploited in the wild by the "TheMoon" worm  in 2014 to deploy a MIPS ELF payload, enabling arbitrary code execution on the router. Additionally, this vulnerability may affect other Linksys products to include, but not limited to, WAG/WAP/WES/WET/WRT-series router models and Wireless-N access points and routers. Exploitation evidence was observed by the Shadowserver Foundation on 2025-02-06 UTC.

    Published:Jun 24, 2025
    Last Modified:Apr 15, 2026
    EPS:Jun 24, 2025
    EPSS Score:0.82252
    CVSS Score:10

    Affected Products

    Vendor
    Linksys
    Product
    E1000
    Vendor
    Linksys
    Product
    E1200
    Vendor
    Linksys
    Product
    E1500
    Vendor
    Linksys
    Product
    E2000
    Vendor
    Linksys
    Product
    E2500
    Vendor
    Linksys
    Product
    E3000

    Exploits

    https://github.com/Taxanehh/CVE-2025-34037

    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