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CVE-2024-52324: Ruijie Reyee OS versions 2.206.x up to but not including 2.320.x uses an inherently dangerous function which c

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CRITICAL 9.8REMOTEUPGRADE

CVE-2024-52324 is a critical-severity flaw (CVSS 9.8) affecting reyee os. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Ruijie Reyee OS versions 2.206.x up to but not including 2.320.x uses an inherently dangerous function which could allow an attacker to send a malicious MQTT message resulting in devices executing arbitrary OS commands.

Why this priority

  • Critical severity
  • Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score9.8 (Critical)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance0.7% (top 47%)
CISA exploited listNo
WeaknessCWE-242
Published2024-12-06
Last modified2026-06-17
Publisher (CNA): ICS-CERT · Vendor: ruijienetworks

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

Am I affected?

Timeline

ruijienetworks reyee os UPGRADE
Affected: >= 2.206.0 and < 2.320.0
Fixed in: 2.320.0
Safe to downgrade to: a release before 2.206.0
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-2024-52324?

reyee os: upgrade to 2.320.0. Exact commands for each OS are on this page.

Is CVE-2024-52324 being exploited?

CVE-2024-52324 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-2024-52324 affect?

CVE-2024-52324 affects reyee os. Severity is critical (CVSS 9.8). Ruijie Reyee OS versions 2.206.x up to but not including 2.320.x uses an inherently dangerous function which could allow an attacker to send a malicious MQTT message resulting in devices executing arbitrary OS commands.

How urgent is CVE-2024-52324?

Priority 52/100. Critical severity; Remotely exploitable, no login, no user action

Related CVEs

References

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