CVE-2019-16258: The bootloader of the homee Brain Cube V2 through 2.23.0 allows attackers with physical access to gain root ac

Q: How do I fix CVE-2019-16258?

brain cube core: upgrade to newer than 2.23.0. Exact commands for each OS are on this page.

Q: Is CVE-2019-16258 being exploited?

CVE-2019-16258 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2019-16258 affect?

CVE-2019-16258 affects brain cube core. Severity is medium (CVSS 6.8). The bootloader of the homee Brain Cube V2 through 2.23.0 allows attackers with physical access to gain root access by manipulating the U-Boot environment via the CLI after connecting to the internal UART interface.

Q: How urgent is CVE-2019-16258?

Priority 29/100. No elevated risk signals yet.

Routine

MEDIUM 6.8UPGRADE

CVE-2019-16258 is a medium-severity flaw (CVSS 6.8) affecting brain cube core. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The bootloader of the homee Brain Cube V2 through 2.23.0 allows attackers with physical access to gain root access by manipulating the U-Boot environment via the CLI after connecting to the internal UART interface.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.8 (Medium)
Attack vector	Physical
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 78%)
CISA exploited list	No
Weakness	CWE-306
Published	2020-03-20
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: hom.ee

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

Am I affected?

Timeline

2020-03-20 18:15 UTCPublished CVE record published
2026-06-17 02:22 UTCUpdated Record last modified

hom.ee brain cube core UPGRADE

Affected: >= 2.0.0 and <= 2.23.0

Fixed in: newer than 2.23.0

Safe to downgrade to: a release before 2.0.0

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-2019-16258?

brain cube core: upgrade to newer than 2.23.0. Exact commands for each OS are on this page.

Is CVE-2019-16258 being exploited?

CVE-2019-16258 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-2019-16258 affect?

CVE-2019-16258 affects brain cube core. Severity is medium (CVSS 6.8). The bootloader of the homee Brain Cube V2 through 2.23.0 allows attackers with physical access to gain root access by manipulating the U-Boot environment via the CLI after connecting to the internal UART interface.

How urgent is CVE-2019-16258?

Priority 29/100. No elevated risk signals yet.

Related CVEs

CVE-2020-24396 HIGH 7.5 MITIGATE homee Brain Cube v2 (2.28.2 and 2.28.4) devices have sensitive SSH keys within downloadable and unencrypted fi
CVE-2020-24395 MEDIUM 6.8 MITIGATE The USB firmware update script of homee Brain Cube v2 (2.28.2 and 2.28.4) devices allows an attacker with phys

References

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