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    CVE-2022-43973

    An arbitrary code execution vulnerability exisits in Linksys WRT54GL Wireless-G Broadband Router with firmware <= 4.30.18.006. The Check_TSSI function within the httpd binary uses unvalidated user input in the construction of a system command. An authenticated attacker with administrator privileges can leverage this vulnerability over the network via a malicious POST request to /apply.cgi to execute arbitrary commands on the underlying Linux operating system as root.

    Published:Jan 9, 2023
    Last Modified:Apr 9, 2025
    EPS:Jan 9, 2023
    EPSS Score:0.01118
    CVSS Score:7.2

    Affected Products

    Vendor
    Linksys
    Product
    Wrt54gl
    Vendor
    Linksys
    Product
    Wrt54gl Firmware

    Exploits

    https://youtu.be/73-1lhvJPNghttps://youtu.be/RfWVYCUBNZ0https://youtu.be/TeWAmZaKQ_whttps://youtu.be/73-1lhvJPNghttps://youtu.be/RfWVYCUBNZ0https://youtu.be/TeWAmZaKQ_whttps://github.com/UmbertoDellaMonica/Linksys-WRT54GL-Exploitation

    Related CVEs

    CVE-2024-1406 (CVSS 4.3) — A vulnerability was found in Linksys WRT54GL 4.30.18. It has been declared as problematic. This vulnerability …
    CVE-2024-1405 (CVSS 4.3) — A vulnerability was found in Linksys WRT54GL 4.30.18. It has been classified as problematic. This affects an u…
    CVE-2024-1404 (CVSS 4.3) — A vulnerability was found in Linksys WRT54GL 4.30.18 and classified as problematic. Affected by this issue is …
    CVE-2023-31742 (CVSS 7.2) — There is a command injection vulnerability in the Linksys WRT54GL router with firmware version 4.30.18.006. If…
    CVE-2022-43972 (CVSS 6.5) — A null pointer dereference vulnerability exists in Linksys WRT54GL Wireless-G Broadband Router with firmware <…
    CVE-2022-43970 (CVSS 7.2) — A buffer overflow vulnerability exists in Linksys WRT54GL Wireless-G Broadband Router with firmware <= 4.30.18…
    CVE-2009-3341 (CVSS 10) — Buffer overflow on the Linksys WRT54GL wireless router allows remote attackers to execute arbitrary code via u…
    CVE-2008-0228 (CVSS 9.3) — Cross-site request forgery (CSRF) vulnerability in apply.cgi in the Linksys WRT54GL Wireless-G Broadband Route…

    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