CVE-2022-25922: Power Line Communications PLC4TRUCKS J2497 trailer brake controllers implement diagnostic functions which can

Routine

MEDIUM 6.1MITIGATE

CVE-2022-25922 is a medium-severity flaw (CVSS 6.1) affecting plc4trucks firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Power Line Communications PLC4TRUCKS J2497 trailer brake controllers implement diagnostic functions which can be invoked by replaying J2497 messages. There is no authentication or authorization for these functions.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Physical
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.2% (top 32%)
CISA exploited list	No
Weakness	CWE-306
Published	2022-03-10
Last modified	2026-06-17

Publisher (CNA): ICS-CERT · Vendor: hegemonelectronics

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

Am I affected?

Timeline

2022-03-10 17:47 UTCPublished CVE record published
2026-06-17 04:34 UTCUpdated Record last modified

hegemonelectronics plc4trucks firmware MITIGATE

Affected: j2497

Fixed in: no fixed release known

Safe to downgrade to: a release before j2497

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-2022-25922?

plc4trucks firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-25922 being exploited?

CVE-2022-25922 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-2022-25922 affect?

CVE-2022-25922 affects plc4trucks firmware. Severity is medium (CVSS 6.1). Power Line Communications PLC4TRUCKS J2497 trailer brake controllers implement diagnostic functions which can be invoked by replaying J2497 messages. There is no authentication or authorization for these functions.

How urgent is CVE-2022-25922?

Priority 38/100. No elevated risk signals yet.

Related CVEs

CVE-2022-26131 CRITICAL 9.3 MITIGATE Power Line Communications PLC4TRUCKS J2497 trailer receivers are susceptible to remote RF induced signals.

References

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