CVE-2023-53881: ReyeeOS 1.204.1614 contains an unencrypted CWMP communication vulnerability that allows attackers to intercept

This week

HIGH 8.1REMOTEMITIGATE

CVE-2023-53881 is a high-severity flaw (CVSS 8.1) affecting reyee os. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

ReyeeOS 1.204.1614 contains an unencrypted CWMP communication vulnerability that allows attackers to intercept and manipulate device communication through a man-in-the-middle attack. Attackers can create a fake CWMP server to inject and execute arbitrary commands on Ruijie Reyee Cloud devices by exploiting the unprotected HTTP polling requests.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	8.1 (High)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 77%)
CISA exploited list	No
Weakness	CWE-319
Published	2025-12-15
Last modified	2026-06-17

Publisher (CNA): VulnCheck · Vendor: ruijienetworks

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

Am I affected?

Timeline

2025-12-15 21:15 UTCPublished CVE record published
2026-06-17 06:46 UTCUpdated Record last modified

ruijienetworks reyee os MITIGATE

Affected: 1.204.1614

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.204.1614

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-2023-53881?

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

Is CVE-2023-53881 being exploited?

CVE-2023-53881 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-2023-53881 affect?

CVE-2023-53881 affects reyee os. Severity is high (CVSS 8.1). ReyeeOS 1.204.1614 contains an unencrypted CWMP communication vulnerability that allows attackers to intercept and manipulate device communication through a man-in-the-middle attack. Attackers can create a fake CWMP server to inject and exe

How urgent is CVE-2023-53881?

Priority 44/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

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References

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