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    CVE-2022-41140

    This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of multiple D-Link routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the lighttpd service, which listens on TCP port 80 by default. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-13796.

    Published:Jan 26, 2023
    Last Modified:Apr 1, 2025
    EPS:Jan 26, 2023
    EPSS Score:0.01947
    CVSS Score:8.8

    Affected Products

    Vendor
    Dlink
    Product
    Dir-867
    Vendor
    Dlink
    Product
    Dir-867 Firmware
    Vendor
    Dlink
    Product
    Dir-878
    Vendor
    Dlink
    Product
    Dir-878 Firmware
    Vendor
    Dlink
    Product
    Dir-882-us
    Vendor
    Dlink
    Product
    Dir-882-us Firmware

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2022-1262 (CVSS 7.8) — A command injection vulnerability in the protest binary allows an attacker with access to the remote command l…
    CVE-2020-15633 (CVSS 8.8) — This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-L…
    CVE-2020-8863 (CVSS 8.8) — This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-L…
    CVE-2020-8864 (CVSS 8.8) — This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-L…

    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