CVE-2025-56089: Ruijie M18 EW_3 · OS Command Injection
Source CVE Database V5
Not known to be exploited · CVSS 8.8 High.
Data as of 26 Oct 2026, 14:05 UTC
- EPSS
- 2.8% 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:HExploitation evidence
Disclosed: evidence found.
CVE published 11 Dec 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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
- Immediate network segmentation to isolate Ruijie M18 devices from untrusted networks and limit access to management interfaces.
- Implement strict access control lists (ACLs) and firewall rules to restrict POST requests to the vulnerable module_set endpoint only to authorized management hosts.
- Monitor network traffic for anomalous POST requests targeting /usr/local/lua/dev_sta/nbr_cwmp.lua or unusual command execution patterns on Ruijie devices.
- Engage with Ruijie Networks support to obtain firmware updates or patches addressing this vulnerability; if unavailable, consider temporary device replacement or disabling vulnerable services.
- Employ intrusion detection/prevention systems (IDS/IPS) with custom signatures to detect exploitation attempts.
- Enforce multi-factor authentication and strong credential policies for device management to reduce risk from compromised credentials.
- Conduct regular security audits and vulnerability assessments on network infrastructure to identify and remediate similar risks.
- Prepare incident response plans specifically for network device compromise scenarios to enable rapid containment and recovery.
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_sta/nbr_cwmp.lua.
References
- 1drv.ms/t/c/12406a392c92914b/Ea56irtVj4dNs59Pzz7fkiIBQeVLjDcMDEXC2FpCQydIZQ?e=70gcOe (opens in a new tab)
- 1drv.ms/f/c/12406a392c92914b/EmXarTTNPwFHjk8lLwQIqj8Ba9nlq-owLMBtEKpBwMrn5A?e=vvi2dM (opens in a new tab)
- github.com/flegoity/Ruijie-Multiple-Devices-Vulnerability-Reports-for-CVE/blob/main/CVE-2025-56089.md (opens in a new tab)