{"cve":"CVE-2020-36109","nvd":{"published":"2021-02-01T14:15:12.303","modified":"2026-06-17T03:14:47.773","status":"Modified","description":"ASUS RT-AX86U router firmware below version under 9.0.0.4_386 has a buffer overflow in the blocking_request.cgi function of the httpd module that can cause code execution when an attacker constructs malicious data.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-120"],"references":["https://www.asus.com/Static_WebPage/ASUS-Product-Security-Advisory/","https://www.asus.com/Static_WebPage/ASUS-Product-Security-Advisory/"],"products":["asus:rt-ax86u_firmware"],"source":"nvd","synced_at":"2026-10-19T21:14:10.479542811+00:00"},"epss":{"cve":"CVE-2020-36109","score":0.04207,"percentile":0.90972,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}