CVE-2026-12197

HIGH

Ruijie EG105G-P JSON-RPC Diagnose Endpoint diagnose nslookup command injection

Title source: cna
STIX 2.1

Description

A security flaw has been discovered in Ruijie EG105G-P 2.340. The impacted element is the function nslookup of the file /cgi-bin/luci/api/diagnose of the component JSON-RPC Diagnose Endpoint. Performing a manipulation of the argument params.target results in command injection. It is possible to initiate the attack remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

References (5)

Core 5
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-370840 | Ruijie EG105G-P JSON-RPC Diagnose Endpoint diagnose nslookup command injection
https://vuldb.com/vuln/370840
Signature, Permissions Required signature permissions-required
VDB-370840 | CTI Indicators (IOB, IOC, TTP, IOA)
https://vuldb.com/vuln/370840/cti
Third Party Advisory third-party-advisory
CVE-2026-12197 | CVE Analysis and Report
https://vuldb.com/cve/CVE-2026-12197
Third Party Advisory third-party-advisory
Submit #829253 | Ruijie EG105G-P 1.40 Command Injection
https://vuldb.com/submit/829253
Exploit exploit issue-tracking
https://github.com/ictrun/java/issues/6

Scores

CVSS v3 7.2
EPSS 0.0238
EPSS Percentile 81.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-74 CWE-77
Status published
Products (1)
Ruijie/EG105G-P 2.340
Published Jun 15, 2026
Tracked Since Jun 15, 2026