CVE-2022-3382: HIWIN Robot System Software version 3.3.21.9869 does not properly address the terminated command source

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HIGH 7.5REMOTEDOWNGRADE

CVE-2022-3382 is a high-severity flaw (CVSS 7.5) affecting robot system software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

HIWIN Robot System Software version 3.3.21.9869 does not properly address the terminated command source. As a result, an attacker could craft code to disconnect HRSS and the controller and cause a denial-of-service condition.

Why this priority

High severity
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.9% (top 42%)
CISA exploited list	No
Weakness	CWE-284
Published	2022-10-17
Last modified	2026-06-17

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

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

Am I affected?

Timeline

2022-10-17 20:15 UTCPublished CVE record published
2026-06-17 04:59 UTCUpdated Record last modified

hiwin robot system software DOWNGRADE

Affected: 3.3.21.9869

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.3.21.9869

1. Check installed version

apt-cache policy robot-system-software || rpm -q robot-system-software || robot-system-software --version

2. No fixed release: DOWNGRADE to a release before 3.3.21.9869 (Debian / Ubuntu)

apt-cache madison robot-system-software sudo apt install robot-system-software=<VERSION_BEFORE_3.3.21.9869> sudo apt-mark hold robot-system-software

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list robot-system-software sudo dnf downgrade robot-system-software-<VERSION_BEFORE_3.3.21.9869> sudo dnf versionlock add robot-system-software

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2022-3382?

robot system software: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-3382 being exploited?

CVE-2022-3382 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-2022-3382 affect?

CVE-2022-3382 affects robot system software. Severity is high (CVSS 7.5). HIWIN Robot System Software version 3.3.21.9869 does not properly address the terminated command source. As a result, an attacker could craft code to disconnect HRSS and the controller and cause a denial-of-service condition.

How urgent is CVE-2022-3382?

Priority 46/100. High severity; Remotely exploitable, no login, no user action

References

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