How severe is CVE-2023-27796?

CVE-2023-27796 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-2023-27796 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-27796?

CVE-2023-27796 primarily affects Ruijienetworks Rg-ew1800gx Pro Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-27796?

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.

When was CVE-2023-27796 published?

CVE-2023-27796 was published on 2023-03-26 and last updated on 2026-06-17.

CVE-2023-27796

CVE-2023-27796 is a high-severity vulnerability in Ruijienetworks Rg-ew1800gx Pro 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-77.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-77
Affected product: Ruijienetworks Rg-ew1800gx Pro Firmware
Published: 2023-03-26
Last modified: 2026-06-17

Description

RG-EW1200G PRO Wireless Routers EW_3.0(1)B11P204, RG-EW1800GX PRO Wireless Routers EW_3.0(1)B11P204, and RG-EW3200GX PRO Wireless Routers EW_3.0(1)B11P204 were discovered to contain multiple command injection vulnerabilities via the data.ip, data.protocal, data.iface and data.package parameters in the runPackDiagnose function of diagnose.lua.

Frequently asked questions

What is CVE-2023-27796?: RG-EW1200G PRO Wireless Routers EW_3.0(1)B11P204, RG-EW1800GX PRO Wireless Routers EW_3.0(1)B11P204, and RG-EW3200GX PRO Wireless Routers EW_3.0(1)B11P204 were discovered to contain multiple command injection vulnerabilities via the data.ip, data.protocal, data.iface and data.package parameters in the runPackDiagnose function of diagnose.lua.
How severe is CVE-2023-27796?: CVE-2023-27796 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-2023-27796 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-27796?: CVE-2023-27796 primarily affects Ruijienetworks Rg-ew1800gx Pro Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-27796?: 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.
When was CVE-2023-27796 published?: CVE-2023-27796 was published on 2023-03-26 and last updated on 2026-06-17.

References

https://github.com/winmt/my-vuls/tree/main/RG-EW%20PRO%20Series

Affected products (3)

cpe:2.3:o:ruijienetworks:rg-ew1800gx_pro_firmware:ew_3.0\(1\)b11p204:*:*:*:*:*:*:*
cpe:2.3:o:ruijienetworks:rg-ew3200gx_pro_firmware:ew_3.0\(1\)b11p204:*:*:*:*:*:*:*
cpe:2.3:o:ruijienetworks:rg-ew1200g_pro_firmware:ew_3.0\(1\)b11p204:*:*:*:*:*:*:*

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