What’s Vulnerable › Vulnerabilities

CVE-2026-66405

• Severity: high (CVSS 8.8 v3.1)
• 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: 2026-08-10 · updated 2026-08-28
• Weakness: CWE-489

Description

DEEBOT PRO M1 and DEEBOT PRO K1VAC leave the telnet servers enabled. The telnet service may be leveraged to log in to the affected products.

Affected products

• ECOVACS ROBOTICS DEEBOT PRO K1VAC: before V1.7.821 — fixed in V1.7.821
• ECOVACS ROBOTICS DEEBOT PRO M1: before M1-1.7.27 — fixed in M1-1.7.27

How to fix

Upgrade to a fixed version: ECOVACS ROBOTICS DEEBOT PRO K1VAC V1.7.821; ECOVACS ROBOTICS DEEBOT PRO M1 M1-1.7.27. Check the vendor advisory for mitigations.

References

• https://jvn.jp/en/vu/JVNVU92804348/
• https://robot.hellohas.co.jp/news/update_20260331/

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