Vulnerability · Published Jun 14, 2026 · Assigned by VulDB

CVE-2026-12197Ruijie EG105G-P JSON-RPC Diagnose Endpoint diagnose nslookup command injection

High 7.2

In plain English

A high-severity command injection in EG105G-P from Ruijie. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 3.2% (higher than 88% of all known vulnerabilities).

Severity (CVSS 3.1)7.2High

Exploit odds (30 days)3.2%top 11.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
Ruijie	EG105G-P	2.340

Weakness: CWE-77, CWE-74 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

References

VDB-370840 | Ruijie EG105G-P JSON-RPC Diagnose Endpoint diagnose nslookup command injection vdb-entry, technical-description
VDB-370840 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
CVE-2026-12197 | CVE Analysis and Report third-party-advisory
Submit #829253 | Ruijie EG105G-P 1.40 Command Injection third-party-advisory
https://github.com/ictrun/java/issues/6 exploit, issue-tracking