CVE-2020-14100

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-09-11 · updated 2026-06-17
Weakness: CWE-77

Description

In Xiaomi router R3600 ROM version<1.0.66, filters in the set_WAN6 interface can be bypassed, causing remote code execution. The router administrator can gain root access from this vulnerability.

Affected products

Xiaomi router R3600: before 1.0.66 — fixed in 1.0.66

How to fix

Upgrade to a fixed version: Xiaomi router R3600 1.0.66. Check the vendor advisory for mitigations.

References

https://privacy.mi.com/trust#/security/vulnerability-management/vulnerability-announcement/detail?id=20&locale=en
https://privacy.mi.com/trust#/security/vulnerability-management/vulnerability-announcement/detail?id=20&locale=en

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