Vulnerability · Published Aug 10, 2026 · Assigned by jpcert
CVE-2026-66405
High 8.8
In plain English
A high-severity security flaw in DEEBOT PRO K1VAC from ECOVACS ROBOTICS. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 44% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.5%top 56.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| ECOVACS ROBOTICS | DEEBOT PRO M1 | 0 – before M1-1.7.27 |
| ECOVACS ROBOTICS | DEEBOT PRO K1VAC | 0 – before V1.7.821 |
Weakness: CWE-489 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H