CVE-2026-66411: ECOVACS ROBOTICS DEEBOT PRO M1 · Incorrect Implementation of Authentication Algorithm
Affects ECOVACS ROBOTICS DEEBOT PRO M1Source CVE Database V5
Not known to be exploited · CVSS 5.3 Medium : upgrade to M1-1.7.27 when convenient.
Data as of 7 Nov 2026, 23:24 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 33% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in M1-1.7.27, V1.7.821
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NExploitation evidence
Disclosed: evidence found.
CVE published 10 Aug 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 8 Nov 2026.
What to do
Upgrade DEEBOT PRO to M1-1.7.27 (M1) or V1.7.821 (K1VAC).
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| ECOVACS ROBOTICSDEEBOT PRO M1 | Affected
| Fixed in
|
| ECOVACS ROBOTICSDEEBOT PRO K1VAC | Affected
| Fixed in
|
Description
DEEBOT PRO M1 and DEEBOT PRO K1VAC incorrectly implement authentication algorithm in Websocket communications. An unauthenticated attacker may connect and operate the affected robot.