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    CVE-2021-43118

    A Remote Command Injection vulnerability exists in DrayTek Vigor 2960 1.5.1.3, DrayTek Vigor 3900 1.5.1.3, and DrayTek Vigor 300B 1.5.1.3 via a crafted HTTP message containing malformed QUERY STRING in mainfunction.cgi, which could let a remote malicious user execute arbitrary code.

    Published:Mar 29, 2022
    Last Modified:Nov 21, 2024
    EPS:Mar 29, 2022
    EPSS Score:0.46146
    CVSS Score:9.8

    Affected Products

    Vendor
    Draytek
    Product
    Vigor2960
    Vendor
    Draytek
    Product
    Vigor2960 Firmware
    Vendor
    Draytek
    Product
    Vigor300b
    Vendor
    Draytek
    Product
    Vigor300b Firmware
    Vendor
    Draytek
    Product
    Vigor3900
    Vendor
    Draytek
    Product
    Vigor3900 Firmware

    Exploits

    https://gist.github.com/Cossack9989/6034c077f46e4f06d0992e9f2fae7f26https://gist.github.com/Cossack9989/6034c077f46e4f06d0992e9f2fae7f26

    Related CVEs

    CVE-2024-12987 (CVSS 6.9) — A vulnerability, which was classified as critical, was found in DrayTek Vigor2960 and Vigor300B 1.5.1.4. Affec…
    CVE-2024-12986 (CVSS 6.9) — A vulnerability, which was classified as critical, has been found in DrayTek Vigor2960 and Vigor300B 1.5.1.3/1…
    CVE-2024-48074 (CVSS 8) — An authorized RCE vulnerability exists in the DrayTek Vigor2960 router version 1.4.4, where an attacker can pl…
    CVE-2024-43027 (CVSS 8) — DrayTek Vigor 3900 before v1.5.1.5_Beta, DrayTek Vigor 2960 before v1.5.1.5_Beta and DrayTek Vigor 300B before…
    CVE-2023-6265 (CVSS 6.5) — ** UNSUPPORTED WHEN ASSIGNED ** Draytek Vigor2960 v1.5.1.4 and v1.5.1.5 are vulnerable to directory traversal …
    CVE-2023-24229 (CVSS 7.8) — DrayTek Vigor2960 v1.5.1.4 allows an authenticated attacker with network access to the web management interfac…
    CVE-2023-1009 (CVSS 6.5) — ** UNSUPPORTED WHEN ASSIGNED ** A vulnerability classified as critical has been found in DrayTek Vigor 2960 1.…
    CVE-2021-42911 (CVSS 9.8) — A Format String vulnerability exists in DrayTek Vigor 2960 <= 1.5.1.3, DrayTek Vigor 3900 <= 1.5.1.3, and Dray…
    CVE-2020-19664 (CVSS 8.8) — DrayTek Vigor2960 1.5.1 allows remote command execution via shell metacharacters in a toLogin2FA action to mai…
    CVE-2020-15415 (CVSS 9.8) — On DrayTek Vigor3900, Vigor2960, and Vigor300B devices before 1.5.1, cgi-bin/mainfunction.cgi/cvmcfgupload all…

    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