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Vulnerabilities

Vulnerability · CVE-2025-56091

OS Command Injection vulnerability in Ruijie RG-EW1800GX B11P226_EW1800GX_10223121 allowing attackers to execute arbitrary commands via a crafted POST request to the m…

Published Dec 11, 2025 · catalog updated Oct 14, 2026 · rg-ew1800gx firmware

Check if you run it

No confirmed exploitation is on record for CVE-2025-56091. EPSS is 2.91%. Act only if a listed version of rg-ew1800gx firmware is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
2.91%
Remediation
Not established
Affected products
cpe ruijie/rg-ew1800gx firmware · cpe ruijie/rg-ew300r firmware

OS Command Injection vulnerability in Ruijie RG-EW1800GX B11P226_EW1800GX_10223121 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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe ruijie/rg-ew1800gx firmware3.0\(1\)b11p226
  • cpe ruijie/rg-ew300r firmware3.0\(1\)b11p301

How to fix CVE-2025-56091

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-56091. EPSS is 2.91%. Act only if a listed version of rg-ew1800gx firmware is installed.

Which versions are affected?

Compare what you have installed with ruijie/rg-ew1800gx firmware 3.0\(1\)b11p226; ruijie/rg-ew300r firmware 3.0\(1\)b11p301. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-78: OS Command Injection. EPSS 2.91%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Dec 11, 2025 · NIST NVD

    Detected

    OS Command Injection vulnerability in Ruijie RG-EW1800GX B11P226_EW1800GX_10223121 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.

  2. Oct 14, 2026 · NIST NVD

    Updated

    OS Command Injection vulnerability in Ruijie RG-EW1800GX B11P226_EW1800GX_10223121 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.

Sources

  • CVE.orgVulnerability recordCVE-2025-56091

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-56091

    30-day exploitation probability 2.9%

    first.org
  • NIST NVDVulnerability recordCVE-2025-56091

    OS Command Injection vulnerability in Ruijie RG-EW1800GX B11P226_EW1800GX_10223121 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.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.