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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.

PUBLISHED Reserved 2026-06-14 | Published 2026-06-14 | Updated 2026-06-15 | Assigner VulDB




HIGH: 8.6CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
HIGH: 7.2CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
HIGH: 7.2CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
8.3AV:N/AC:L/Au:M/C:C/I:C/A:C/E:POC/RL:ND/RC:UR

Problem types

Command Injection

Injection

Product status

2.340
affected

Timeline

2026-06-14:Advisory disclosed
2026-06-14:VulDB entry created
2026-06-14:VulDB entry last update

Credits

ictrun (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/370840 (VDB-370840 | Ruijie EG105G-P JSON-RPC Diagnose Endpoint diagnose nslookup command injection) vdb-entry technical-description

vuldb.com/vuln/370840/cti (VDB-370840 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/cve/CVE-2026-12197 (CVE-2026-12197 | CVE Analysis and Report) third-party-advisory

vuldb.com/submit/829253 (Submit #829253 | Ruijie EG105G-P 1.40 Command Injection) third-party-advisory

github.com/ictrun/java/issues/6 exploit issue-tracking

cve.org (CVE-2026-12197)

nvd.nist.gov (CVE-2026-12197)

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