CVE-2026-66407: ECOVACS ROBOTICS DEEBOT PRO M1 · Weak Cryptography
Affects ECOVACS ROBOTICS DEEBOT PRO M1Source CVE Database V5
Not known to be exploited · CVSS 8.1 High : upgrade to M1-1.7.27 soon.
Data as of 8 Nov 2026, 23:24 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 26% 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:H/A:HExploitation 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
The ECOVACS ROBOTICS DEEBOT PRO M1 and PRO K1VAC models have a vulnerability in their WebSocket communication authentication. The private key used in this communication can be exposed through a man-in-the-middle attack by analyzing traffic data, allowing an attacker to alter communication contents.