Ecovacs Deebot t20 Pro Plus Firmware vulnerabilities

3 CVEs affecting Ecovacs Deebot t20 Pro Plus Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2025-30200, published 2025-09-05.

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Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2025-30199, published 2025-09-05. High severity, CVSS 7.2. EPSS: 0.3% chance of exploitation in the next 30 days. ECOVACS vacuum robot base stations do not validate firmware updates, so malicious over-the-air updates can be sent to base station via insecure connection between robot and base station.
• CVE-2025-30198, published 2025-09-05. Medium severity, CVSS 6.3. EPSS: 0.2% chance of exploitation in the next 30 days. ECOVACS robot vacuums and base stations communicate via an insecure Wi-Fi network with a deterministic WPA2-PSK, which can be easily derived.
• CVE-2025-30200, published 2025-09-05. Medium severity, CVSS 6.3. EPSS: 0.1% chance of exploitation in the next 30 days. ECOVACS robot vacuums and base stations communicate via an insecure Wi-Fi network with a deterministic AES encryption key, which can be easily derived.