CVE-2023-38902

An issue in RG-EW series home routers and repeaters v.EW_3.0(1)B11P204, RG-NBS and RG-S1930...

8.8 High

A command injection vulnerability in RG-EW series home routers and repeaters v.EW_3.0(1)B11P219, RG-NBS and RG-S1930 series switches v.SWITCH_3.0(1)B11P219, RG-EG series business VPN routers v.EG_3.0(1)B11P219, EAP and RAP series wireless access points v.AP_3.0(1)B11P219, and NBC series wireless controllers v.AC_3.0(1)B11P219 allows an authorized attacker to execute arbitrary commands on remote devices by sending a POST request to /cgi-bin/luci/api/cmd via the remoteIp field.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

2.58%Up 2.5 points since Aug 18, 2023

What each source reports

NVD Score used 8.8

Record: CVE-2023-38902
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-77
Updated: 2026-11-02

CVE List No score

Record: CVE-2023-38902
Updated: 2026-11-02

EUVDEUVD-2023-42663 No score

Record: EUVD-2023-42663
Updated: 2026-11-03

GitHub AdvisoriesGHSA-qf45-5h68-rp79 8.8

An issue in RG-EW series home routers and repeaters v.EW_3.0(1)B11P204, RG-NBS and RG-S1930...

An issue in RG-EW series home routers and repeaters v.EW_3.0(1)B11P204, RG-NBS and RG-S1930 series switches v.SWITCH_3.0(1)B11P218, RG-EG series business VPN routers v.EG_3.0(1)B11P216, EAP and RAP series wireless access points v.AP_3.0(1)B11P218, and NBC series wireless controllers v.AC_3.0(1)B11P86 allows a remote attacker to execute arbitrary code via the unifyframe-sgi.elf component in sub_40DA38.

Record: GHSA-qf45-5h68-rp79
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-77
Updated: 2026-11-02

Affected products

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History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-38902 is a high vulnerability (CVSS 8.8) in Ruijie Nbc Series Wireless Controllers, published August 17, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.58%, the 85th percentile. No source names a fixed version.