CVE-2018-20336: ASUS Asuswrt-Merlin

High severity, CVSS 7.5. EPSS: 1.7% chance of exploitation in the next 30 days.

An issue was discovered in ASUSWRT 3.0.0.4.384.20308. There is a stack-based buffer overflow issue in parse_req_queries function in wanduck.c via a long string over UDP, which may lead to an information leak.

Affected products

• ASUS Asuswrt-Merlin: version 3.0.0.4.384.20308 only

Published 2019-09-17. Last modified 2026-06-17.