Free and open · new CVEs checked every 20 minutesStatusRSSOpen dataContact

CVE-2022-29843: A command injection vulnerability in the DDNS service configuration of Western Digital My Cloud OS 5 devices r

39
Routine
MEDIUM 6.2UPGRADEUPGRADEUPGRADE

CVE-2022-29843 is a medium-severity flaw (CVSS 6.2) affecting my cloud pr2100 firmware, my cloud pr4100 firmware, my cloud ex4100 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A command injection vulnerability in the DDNS service configuration of Western Digital My Cloud OS 5 devices running firmware versions prior to 5.26.119 allows an attacker to execute code in the context of the root user.

Why this priority

  • No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score6.2 (Medium)
Attack vectorLocal
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance1.2% (top 33%)
CISA exploited listNo
WeaknessCWE-78
Published2023-01-26
Last modified2026-06-17
Publisher (CNA): Western Digital · Vendor: westerndigital

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

westerndigital my cloud pr2100 firmware UPGRADE
Affected: < 5.26.119
Fixed in: 5.26.119
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.
westerndigital my cloud pr4100 firmware UPGRADE
Affected: < 5.26.119
Fixed in: 5.26.119
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.
westerndigital my cloud ex4100 firmware UPGRADE
Affected: < 5.26.119
Fixed in: 5.26.119
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.
westerndigital my cloud ex2 ultra firmware UPGRADE
Affected: < 5.26.119
Fixed in: 5.26.119
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.
westerndigital my cloud mirror g2 firmware UPGRADE
Affected: < 5.26.119
Fixed in: 5.26.119
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.
westerndigital my cloud dl2100 firmware UPGRADE
Affected: < 5.26.119
Fixed in: 5.26.119
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-2022-29843?

my cloud pr2100 firmware: upgrade to 5.26.119; my cloud pr4100 firmware: upgrade to 5.26.119; my cloud ex4100 firmware: upgrade to 5.26.119. Exact commands for each OS are on this page.

Is CVE-2022-29843 being exploited?

CVE-2022-29843 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-2022-29843 affect?

CVE-2022-29843 affects my cloud pr2100 firmware, my cloud pr4100 firmware, my cloud ex4100 firmware. Severity is medium (CVSS 6.2). A command injection vulnerability in the DDNS service configuration of Western Digital My Cloud OS 5 devices running firmware versions prior to 5.26.119 allows an attacker to execute code in the context of the root user.

How urgent is CVE-2022-29843?

Priority 39/100. No elevated risk signals yet.

Software pages

Western Digital vulnerabilities

Related CVEs

References

← Back to latest CVEs

Get the weekly exploited-CVE digest by emailThe CVEs being attacked this week and how to fix them. No spam, unsubscribe any time.