CVE-2026-121608

High

Description

A vulnerability was determined in Qihoo 360 D603-2, D600-2 and D606-6 up to 6.3.2. This vulnerability affects the function on_push_message of the file /fs2/bin/iscm of the component Timezone Push Handler. Executing a manipulation of the argument tz can lead to os command injection. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. Upgrading to version 6.4.0 is able to resolve this issue. Upgrading the affected component is advised. Firmware 6.4.0 gates the path with a new check_timezone_parameter validation (verified by VulDB vulnerability analysis team via disassembly).

SeverityHigh

CVSS7.3

Exploit probability—

Product360 D603-2

PublishedNov 4, 2026

First seenNov 4, 2026

How to fix

Update

Qihoo 360 D603-26.4.0 or later

Affected products

Product	Affected versions	Fixed in
Qihoo 360 D603-2	v ≤ 6.3.2	6.4.0

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