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VulnerabilityPublished Updated

CVE-2025-56090: Ruijie RG-EW1200G PRO RG-EW1200G PRO · OS Command Injection

Source CVE Database V5

0

Not known to be exploited · CVSS 8.8 High.

Data as of 26 Oct 2026, 09:15 UTC

CVSS 3.1 base score
8.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
2.9% chance of exploitation in 30 days – higher than 86% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 11 Dec 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

AI-suggested

1. Immediately restrict access to the management interfaces of Ruijie RG-EW1200G PRO devices to trusted IP addresses and networks, ideally isolating them from the public internet. 2. Implement network segmentation to limit the exposure of vulnerable devices and reduce lateral movement opportunities. 3. Monitor network traffic for unusual POST requests targeting the /usr/local/lua/dev_config/config_retain.lua module_set endpoint, using IDS/IPS or custom detection rules. 4. Apply vendor-supplied patches or firmware updates as soon as they become available; in the absence of patches, consider temporary device replacement or removal from critical network segments. 5. Enforce strict input validation and command execution policies on affected devices if configurable. 6. Conduct regular vulnerability scans and penetration tests focusing on Ruijie devices to identify potential exploitation attempts. 7. Educate network administrators about this vulnerability and the importance of monitoring and access controls. 8. Maintain up-to-date asset inventories to quickly identify and remediate affected devices.

Description

OS Command Injection vulnerability in Ruijie RG-EW1200G PRO RG-EW1200G PRO V1.00/V2.00/V3.00/V4.00 allowing attackers to execute arbitrary commands via a crafted POST request to the module_set in file /usr/local/lua/dev_config/config_retain.lua.

References

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