CVE-2026-12197

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.

CVSS v4.0

7.3 HIGHCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1

7.2 HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

8.3 HIGHAV:N/AC:L/Au:M/C:C/I:C/A:C

EPSS

2.38% chance of exploitation in the next 30 days, 83th percentile

Published

2026-06-14

Updated

2026-06-15

Proof-of-concept exploits (1)

• ictrun/java/issues/6

References

• CVE Record
• NVD entry

Related

• CVE-2025-12919
• CVE-2025-13121
• CVE-2025-13168
• CVE-2026-12196
• CVE-2026-12198
• CVE-2026-12195