{"id":"CVE-2022-43970","url":"https://www.cyber-defence.io/tools/cve/CVE-2022-43970","generatedAt":"2026-11-04T23:49:54.016Z","title":"A buffer overflow vulnerability exists in Linksys WRT54GL Wireless-G Broadband Router with firmware <= 4.30.18.006.","description":"A buffer overflow vulnerability exists in Linksys WRT54GL Wireless-G Broadband Router with firmware <= 4.30.18.006. A stack-based buffer overflow in the Start_EPI function within the httpd binary allows an authenticated attacker with administrator privileges to execute arbitrary commands on the underlying Linux operating system as root. This vulnerablity can be triggered over the network via a malicious POST request to /apply.cgi.","published":"2023-01-09T21:15:11.000Z","lastModified":"2026-06-17T05:07:34.000Z","status":"Modified","sourceIdentifier":"trellixpsirt@trellix.com","cvss":{"version":"3.1","score":7.2,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-120","CWE-787"],"affected":["linksys/wrt54gl firmware"],"epss":{"score":0.19304,"percentile":0.97347,"date":"2026-11-03","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 19.3%, higher than 97% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"https://youtu.be/73-1lhvJPNg","tags":["Exploit","Third Party Advisory"],"source":"trellixpsirt@trellix.com"},{"url":"https://youtu.be/RfWVYCUBNZ0","tags":["Exploit","Third Party Advisory"],"source":"trellixpsirt@trellix.com"},{"url":"https://youtu.be/TeWAmZaKQ_w","tags":["Exploit","Third Party Advisory"],"source":"trellixpsirt@trellix.com"},{"url":"https://youtu.be/73-1lhvJPNg","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://youtu.be/RfWVYCUBNZ0","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://youtu.be/TeWAmZaKQ_w","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2022-43970","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}