What’s Vulnerable › Vulnerabilities

CVE-2018-20872

• Severity: medium (CVSS 6.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-07-31 · updated 2026-06-17
• Weakness: CWE-352

Description

DrayTek routers before 2018-05-23 allow CSRF attacks to change DNS or DHCP settings, a related issue to CVE-2017-11649.

Affected products

• I-Lan Draytekl Firmware: before 2018-05-23 — fixed in 2018-05-23

How to fix

Upgrade to a fixed version: I-Lan Draytekl Firmware 2018-05-23. Check the vendor advisory for mitigations.

References

• https://www.draytek.com/about/security-advisory/urgent-security-updates-to-draytek-routers
• https://www.draytek.com/about/security-advisory/urgent-security-updates-to-draytek-routers

Get alerted when CVE-2018-20872 or the next vulnerability affects your stack