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CVE-2023-53881

Ruijienetworks Reyee OS remote code execution

8.1 HIGHPublic exploitEPSS 0.31%
  1. Published15 Dec 2025

Description

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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityHigh
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Ruijienetworks Reyee OS1.204.1614

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2023-53881 being actively exploited?

CVE-2023-53881 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.31%.

How severe is CVE-2023-53881?

CVE-2023-53881 has a CVSS 3.1 base score of 8.1, rated high. EPSS estimates a 0.31% probability of exploitation.

Which products are affected by CVE-2023-53881?

Affected products include Ruijienetworks Reyee OS.

How do I fix CVE-2023-53881?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2023-53881 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.