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CVE-2022-43096: Mediatrix 4102 before v48.5.2718 allows local attackers to gain root access via the UART port.

40
This month
MEDIUM 6.8UPGRADE

CVE-2022-43096 is a medium-severity flaw (CVSS 6.8) affecting mediatrix 4102s firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Mediatrix 4102 before v48.5.2718 allows local attackers to gain root access via the UART port.

Why this priority

  • Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score6.8 (Medium)
Attack vectorPhysical
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance0.6% (top 54%)
CISA exploited listNo
WeaknessCWE-1191
Published2022-11-17
Last modified2026-06-17
Publisher (CNA): MITRE · Vendor: m5t

Share: LinkedIn · X · Reddit

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

Am I affected?

Timeline

m5t mediatrix 4102s firmware UPGRADE
Affected: < 48.5.2718
Fixed in: 48.5.2718
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-2022-43096?

mediatrix 4102s firmware: upgrade to 48.5.2718. Exact commands for each OS are on this page.

Is CVE-2022-43096 being exploited?

CVE-2022-43096 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-2022-43096 affect?

CVE-2022-43096 affects mediatrix 4102s firmware. Severity is medium (CVSS 6.8). Mediatrix 4102 before v48.5.2718 allows local attackers to gain root access via the UART port.

How urgent is CVE-2022-43096?

Priority 40/100. Public exploit reference

References

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