CVE-2026-19386criticalCWE-121

CVE-2026-19386: critical vulnerability in ASUS Router

Published · Updated

28Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 9.3epss 0.2%
exploitation probability
0.2%top 92% of all CVEs
observed exploitation
nono source reports it
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.
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
Affected products
ASUS · Router
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References
https://www.asus.com/security-advisory