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VulnerabilityPublished Updated

CVE-2025-56114: Ruijie M18 EW_3 · OS Command Injection

Source CVE Database V5

0

Not known to be exploited · CVSS 8.8 High.

Data as of 26 Oct 2026, 10:12 UTC

CVSS 3.1 base score
8.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
2.5% chance of exploitation in 30 days – higher than 85% 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 conduct an inventory to identify all Ruijie M18 devices running the vulnerable firmware version.
  2. Restrict network access to management interfaces of these devices using segmentation, firewalls, and VPNs to limit exposure to trusted administrators only.
  3. Implement strict access controls and monitor for unusual POST requests targeting the module_set endpoint.
  4. Employ intrusion detection/prevention systems (IDS/IPS) with custom signatures to detect exploitation attempts of this command injection vulnerability.
  5. Enforce strong authentication mechanisms and rotate credentials regularly to reduce risk from compromised accounts.
  6. Engage with Ruijie support channels to obtain patches or firmware updates as soon as they become available.
  7. Consider temporary compensating controls such as disabling vulnerable features or applying configuration changes to sanitize inputs if possible.
  8. Conduct regular security audits and penetration tests focusing on network device security.
  9. Maintain up-to-date backups of device configurations to enable rapid recovery if compromise occurs.

Description

OS Command Injection vulnerability in Ruijie M18 EW_3.0(1)B11P226_M18_10223116 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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