{"id":"CVE-2022-43973","aliases":["EUVD-2022-46941","GHSA-j637-xgw5-6q5c"],"status":"published","title":"Arbitrary code execution in Linksys WRT54GL","description":"An arbitrary code execution vulnerability exisits in Linksys WRT54GL Wireless-G Broadband Router with firmware \u003c= 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.","severity":{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.02024,"percentile":0.81151,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-78"],"published":"2023-01-09T00:00:00Z","modified":"2026-06-17T05:07:34Z","exploits":[{"source":"pocgithub","id":"UmbertoDellaMonica/Linksys-WRT54GL-Exploitation","title":"UmbertoDellaMonica/Linksys-WRT54GL-Exploitation","date":"2024-01-10","url":"https://github.com/UmbertoDellaMonica/Linksys-WRT54GL-Exploitation"}],"products":[{"vendor":"linksys","product":"wrt54gl wireless-g broadband router"},{"vendor":"linksys","product":"wrt54gl_firmware"}],"references":[{"url":"https://youtu.be/73-1lhvJPNg","tags":["x_transferred","Exploit","Third Party Advisory"]},{"url":"https://youtu.be/TeWAmZaKQ_w","tags":["x_transferred","Exploit","Third Party Advisory"]},{"url":"https://youtu.be/RfWVYCUBNZ0","tags":["x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-43973"},{"url":"https://github.com/advisories/GHSA-j637-xgw5-6q5c"}],"sources":{"cve":[{"id":"CVE-2022-43973","title":"Arbitrary code execution in Linksys WRT54GL","description":"An arbitrary code execution vulnerability exisits in Linksys WRT54GL Wireless-G Broadband Router with firmware \u003c= 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.","status":"published","published":"2023-01-09T00:00:00Z","modified":"2025-04-09T14:20:48.368Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:34:25.618175Z"}],"euvd":[{"id":"EUVD-2022-46941","description":"An arbitrary code execution vulnerability exisits in Linksys WRT54GL Wireless-G Broadband Router with firmware \u003c= 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.","status":"published","published":"2023-01-09T00:00:00Z","modified":"2025-04-09T14:20:48Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T20:52:38.716764Z"}],"ghsa":[{"id":"GHSA-j637-xgw5-6q5c","title":"An arbitrary code execution vulnerability exisits in Linksys WRT54GL Wireless-G Broadband Router...","description":"An arbitrary code execution vulnerability exisits in Linksys WRT54GL Wireless-G Broadband Router with firmware \u003c= 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.","status":"published","published":"2023-01-09T21:30:19Z","modified":"2023-01-29T05:03:27Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:45:19.492424Z"}],"nvd":[{"id":"CVE-2022-43973","description":"An arbitrary code execution vulnerability exisits in Linksys WRT54GL Wireless-G Broadband Router with firmware \u003c= 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.","status":"published","published":"2023-01-09T21:15:10.997Z","modified":"2026-06-17T05:07:34.37Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:07:35.157734Z"}]}}