CVE-2024-11147: ECOVACS robot lawnmowers and vacuums use a deterministic root password generated based on model and serial num

This month

HIGH 7.6MITIGATEMITIGATEMITIGATE

CVE-2024-11147 is a high-severity flaw (CVSS 7.6) affecting deebot 900 firmware, deebot n8 firmware, deebot t8 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

ECOVACS robot lawnmowers and vacuums use a deterministic root password generated based on model and serial number. An attacker with shell access can login as root.

Why this priority

High severity
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.6 (High)
Attack vector	Physical
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 66%)
CISA exploited list	No
Weakness	CWE-798
Published	2025-01-23
Last modified	2026-06-17

Publisher (CNA): Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian Government · Vendor: ecovacs

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-01-23 17:15 UTCPublished CVE record published
2026-06-17 06:57 UTCUpdated Record last modified

ecovacs deebot 900 firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

ecovacs deebot n8 firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

ecovacs deebot t8 firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

ecovacs deebot n9 firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

ecovacs deebot t9 firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

ecovacs deebot n10 firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-11147?

deebot 900 firmware: mitigate or apply the listed mitigation; deebot n8 firmware: mitigate or apply the listed mitigation; deebot t8 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-11147 being exploited?

CVE-2024-11147 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-11147 affect?

CVE-2024-11147 affects deebot 900 firmware, deebot n8 firmware, deebot t8 firmware. Severity is high (CVSS 7.6). ECOVACS robot lawnmowers and vacuums use a deterministic root password generated based on model and serial number. An attacker with shell access can login as root.

How urgent is CVE-2024-11147?

Priority 40/100. High severity; Public exploit reference

Related CVEs

CVE-2024-52331 HIGH 7.5 MITIGATE MITIGATE ECOVACS robot lawnmowers and vacuums use a deterministic symmetric key to decrypt firmware updates
CVE-2024-52328 LOW 2.3 MITIGATE MITIGATE ECOVACS robot lawnmowers and vacuums insecurely store audio files used to indicate that the camera is on
CVE-2024-12079 LOW 3.3 MITIGATE MITIGATE ECOVACS robot lawnmowers store the anti-theft PIN in cleartext on the device filesystem

References

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