Command Injection Vulnerability in Ruijie EG105G-P by Ruijie Networks
CVE-2026-12197

8.6HIGH

Key Information:

Vendor

Ruijie

Status
Eg105g-p
Vendor
CVE Published:
14 June 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-12197?

A security flaw has been identified in the Ruijie EG105G-P version 2.340, affecting the JSON-RPC Diagnose Endpoint. The vulnerability resides in the nslookup function located in /cgi-bin/luci/api/diagnose. An attacker can exploit this flaw by manipulating the params.target argument, allowing for remote command execution. This threat has been publicly disclosed, and despite early notification to the vendor, no response has been received regarding remediation efforts.

Affected Version(s)

EG105G-P 2.340

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-12197 - Proof of Concept

References

https://vuldb.com/vuln/370840
vdb-entrytechnical-description
https://vuldb.com/vuln/370840/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-12197
third-party-advisory

CVSS V4

Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

ictrun (VulDB User)
VulDB CNA Team
.