CVE-2026-121607

Critical CVSS 10

Published 2026-11-04 · last changed 2026-11-04

The fix

We hold no Microsoft remediation data for CVE-2026-121607, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.

What it is

A vulnerability was found in Qihoo 360 D603-2, D600-2, D606-6 and D706 up to 6.4.9. This affects the function testspeed_command of the file /fs2/bin/iscm. Performing a manipulation of the argument host results in os command injection. The attack may be initiated remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

Sources

NVD record for CVE-2026-121607

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H