{"id":"CVE-2026-19386","published":"2026-10-07T02:16:57Z","modified":"2026-10-08T04:17:19Z","title":"A stack-based buffer overflow in the ASUS router modules allows an authenticated nearby user to execute arbitrary code…","vendor":"ASUS","product":"Router","tier":"core","eol":null,"description":{"text":"A stack-based buffer overflow in the ASUS router modules allows an authenticated nearby user to execute arbitrary code via a crafted configuration file upload that exceeds the expected buffer size.Refer to the ' Security Update for ASUS Router Firmware  ' section on the ASUS Security Advisory for more information.","provenance":"source","from":"NVD"},"summary":{"text":"A stack-based buffer overflow in the ASUS Router firmware's router modules lets an attacker execute arbitrary code by uploading a crafted configuration file that exceeds the expected buffer size. Exploitation requires that the attacker be an authenticated user located nearby on the network, with no user interaction needed.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-23T07:21:52Z"},"cvss":{"score":9.3,"severity":"CRITICAL","version":"4.0","vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","provenance":"source","from":"NVD"},"epss":{"score":0.00192,"percentile":0.08918,"date":"2026-10-31","provenance":"source"},"kev":null,"vulncheckKev":null,"exploited":false,"otx":null,"cwes":[{"id":"CWE-121","name":"Stack-based Buffer Overflow"}],"references":[{"url":"https://www.asus.com/security-advisory","tags":[]}],"techniques":[],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2026-94157","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-94157","exploited":false,"exploitedSince":null,"provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":[],"flow":[],"timeline":[{"date":"2026-10-07","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-19386","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":null},"priority":{"score":8.3,"factors":[{"name":"In a KEV catalog","points":0.0,"detail":"not listed"},{"name":"Recent KEV listing","points":0.0,"detail":"not listed"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":1.78,"detail":"percentile 0.0892"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":0.0,"detail":"none found"},{"name":"Mentioned in OTX pulses","points":0.0,"detail":"0 pulses"},{"name":"CVSS severity","points":6.51,"detail":"base score 9.3"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}