CVE-2024-45722: Ruijie Reyee OS versions 2.206.x up to but not including 2.320.x uses weak credential mechanism that could all

Q: How do I fix CVE-2024-45722?

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

Q: Is CVE-2024-45722 being exploited?

CVE-2024-45722 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-45722 affect?

CVE-2024-45722 affects reyee os. Severity is high (CVSS 7.5). Ruijie Reyee OS versions 2.206.x up to but not including 2.320.x uses weak credential mechanism that could allow an attacker to easily calculate MQTT credentials.

Q: How urgent is CVE-2024-45722?

Priority 41/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 7.5REMOTEUPGRADE

CVE-2024-45722 is a high-severity flaw (CVSS 7.5) 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 weak credential mechanism that could allow an attacker to easily calculate MQTT credentials.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 60%)
CISA exploited list	No
Weakness	CWE-1391
Published	2024-12-06
Last modified	2026-06-17

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

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

Am I affected?

Timeline

2024-12-06 19:15 UTCPublished CVE record published
2026-06-17 07:54 UTCUpdated Record last modified

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-2024-45722?

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

Is CVE-2024-45722 being exploited?

CVE-2024-45722 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-2024-45722 affect?

CVE-2024-45722 affects reyee os. Severity is high (CVSS 7.5). Ruijie Reyee OS versions 2.206.x up to but not including 2.320.x uses weak credential mechanism that could allow an attacker to easily calculate MQTT credentials.

How urgent is CVE-2024-45722?

Priority 41/100. High severity; Remotely exploitable, no login, no user action

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References

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