CVE-2026-66404: ECOVACS ROBOTICS DEEBOT PRO M1 · Improper Certificate Validation
Affects ECOVACS ROBOTICS DEEBOT PRO M1Source CVE Database V5
Not known to be exploited · CVSS 6.5 Medium : upgrade to M1-1.7.27 when convenient.
Data as of 8 Nov 2026, 23:24 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 10% 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:H/PR:N/UI:N/S:U/C:H/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 9 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
|
AI-suggested
If you cannot patch yet, users should be cautious about network environments where these devices operate and consider limiting exposure to untrusted networks.
Description
The ECOVACS ROBOTICS DEEBOT PRO M1 and DEEBOT PRO K1VAC devices do not validate server certificates during MQTT communications. This improper certificate validation could allow an attacker to retrieve operation and activity logs stored on the affected products. The vulnerability has a CVSS score of 6.5, indicating a medium severity level.