How severe is CVE-2025-56091?

CVE-2025-56091 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-56091 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-56091?

CVE-2025-56091 primarily affects Ruijie Rg-ew1800gx Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-56091?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-56091 have an EU (EUVD) identifier?

Yes. CVE-2025-56091 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-202740.

When was CVE-2025-56091 published?

CVE-2025-56091 was published on 2025-12-11 and last updated on 2026-06-17.

CVE-2025-56091

CVE-2025-56091 is a high-severity vulnerability in Ruijie Rg-ew1800gx Firmware with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-202740
Weakness: CWE-78
Affected product: Ruijie Rg-ew1800gx Firmware
Published: 2025-12-11
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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 module_set in file /usr/local/lua/dev_config/config_retain.lua.
How severe is CVE-2025-56091?: CVE-2025-56091 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-56091 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-56091?: CVE-2025-56091 primarily affects Ruijie Rg-ew1800gx Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-56091?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-56091 have an EU (EUVD) identifier?: Yes. CVE-2025-56091 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-202740.
When was CVE-2025-56091 published?: CVE-2025-56091 was published on 2025-12-11 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:ruijie:rg-ew1800gx_firmware:3.0\(1\)b11p226:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-ew300r_firmware:3.0\(1\)b11p301:*:*:*:*:*:*:*

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