What’s Vulnerable › Vulnerabilities

CVE-2018-20336

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-09-17 · updated 2026-06-17
• Weakness: CWE-120

Description

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

• Asuswrt-Merlin: 3.0.0.4.384.20308

References

• https://starlabs.sg/advisories/18-20336/
• https://www.asus.com/Networking/RT-AC1200G-plus/HelpDesk_BIOS/
• https://starlabs.sg/advisories/18-20336/
• https://www.asus.com/Networking/RT-AC1200G-plus/HelpDesk_BIOS/

Get alerted when CVE-2018-20336 or the next vulnerability affects your stack