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VulnerabilityPublished

CVE-2026-66406: ECOVACS ROBOTICS DEEBOT PRO M1 · Improper Certificate Validation

Affects ECOVACS ROBOTICS DEEBOT PRO M1Source CVE Database V5

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Not known to be exploited · CVSS 4.8 Medium : upgrade to M1-1.7.27 when convenient.

Data as of 7 Nov 2026, 23:24 UTC

CVSS 3.1 base score
4.8Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 4% 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:L/I:L/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 10 Aug 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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

ProductAffectedFixed in
ECOVACS ROBOTICSDEEBOT PRO M1Affected
  • =0
Fixed in
  • M1-1.7.27
ECOVACS ROBOTICSDEEBOT PRO K1VACAffected
  • <1.7.821
Fixed in
  • V1.7.821

Description

The ECOVACS ROBOTICS DEEBOT PRO M1 and DEEBOT PRO K1VAC devices use the wget command with server certificate validation disabled. This improper certificate validation allows a man-in-the-middle (MitM) attacker to intercept and potentially alter communications. Such interception could lead to arbitrary code execution with administrative privileges on the affected devices. The vulnerability has a medium severity rating with a CVSS score of 4.8.

References

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