CVE-2022-44037: An access control issue in APsystems ENERGY COMMUNICATION UNIT (ECU-C) Power Control Software V4.1NA, V3.11.4,

This month

HIGH 8.8MITIGATE

CVE-2022-44037 is a high-severity flaw (CVSS 8.8) affecting ecu-c firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An access control issue in APsystems ENERGY COMMUNICATION UNIT (ECU-C) Power Control Software V4.1NA, V3.11.4, W2.1NA, V4.1SAA, C1.2.2 allows attackers to access sensitive data and execute specific commands and functions with full admin rights without authenticating allows him to perform multiple attacks, such as attacking wireless network in the product's range.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	8.8 (High)
Attack vector	Adjacent network
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 49%)
CISA exploited list	No
Weakness	CWE-284
Published	2022-11-29
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: apsystems

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

Am I affected?

Timeline

2022-11-29 04:15 UTCPublished CVE record published
2026-06-17 05:07 UTCUpdated Record last modified

apsystems ecu-c firmware MITIGATE

Affected: c1.2.2 · v3.11.4 · v4.1na · v4.1saa · w2.1na

Fixed in: no fixed release known

Safe to downgrade to: a release before c1.2.2

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-2022-44037?

ecu-c firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-44037 being exploited?

CVE-2022-44037 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-2022-44037 affect?

CVE-2022-44037 affects ecu-c firmware. Severity is high (CVSS 8.8). An access control issue in APsystems ENERGY COMMUNICATION UNIT (ECU-C) Power Control Software V4.1NA, V3.11.4, W2.1NA, V4.1SAA, C1.2.2 allows attackers to access sensitive data and execute specific commands and functions with full admin rig

How urgent is CVE-2022-44037?

Priority 49/100. High severity; Public exploit reference

References

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