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CVE-2026-121608— Qihoo 360 D603-2/D600-2/D606-6 Timezone Push iscm on_push_message os command injection

Quick assessment

Affected

Qihoo 360 D603-2

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在奇虎 360 的 D603-2、D600-2 和 D606-6 设备（固件版本 6.3.2 及之前）中发现一处安全漏洞。该漏洞影响“时区推送处理器”组件中文件的函数。攻击者可通过操纵参数，导致操作系统命令注入。此攻击可远程发起。利用方法已被公开披露，可能被恶意利用。升级至 6.4.0 版本可解决此问题，建议对受影响组件进行升级。6.4.0 版本的固件通过新增的验证函数对该路径进行了防护（经 VulDB 漏洞分析团队通过反汇编验证）。

CVSS 7.3 · High Updated Nov 04, 2026

Possible ATT&CK Techniques 2 AI

T1059.004 · Unix Shell T1190 · Exploit Public-Facing Application

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Vulnerability Information

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Vulnerability Title

Qihoo 360 D603-2/D600-2/D606-6 Timezone Push iscm on_push_message os command injection

Source: CVE Program / CVE List V5

Vulnerability 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).

Source: CVE Program / CVE List V5

CVSS Information

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

Source: CVE Program / CVE List V5

Vulnerability Type

OS命令中使用的特殊元素转义处理不恰当(OS命令注入)

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE
Qihoo 360	D603-2	6.3.0	`cpe:2.3:a:qihoo_360:d603-2::::::::`
Qihoo 360	D600-2	6.3.0	`cpe:2.3:a:qihoo_360:d600-2::::::::`
Qihoo 360	D606-6	6.3.0	`cpe:2.3:a:qihoo_360:d606-6::::::::`

II. Public POCs for CVE-2026-121608

#	POC Description	Source Link	Shenlong Link

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No public POC found.

III. Intelligence Information for CVE-2026-121608

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Other References for CVE-2026-121608 (5)

https://gist.github.com/gajgdm6-cpu/b238ba799968564773a70ad480f3e404 exploit
https://vuldb.com/cve/CVE-2026-121608 third-party-advisory
https://vuldb.com/vuln/430445/cti signature permissions-required
https://vuldb.com/submit/1023263 third-party-advisory
https://vuldb.com/vuln/430445 vdb-entry technical-description

https://www.cve.org/CVERecord?id=CVE-2026-121608

Same Patch Batch · Qihoo 360 · 2026-11-04 · 4 CVEs total

CVE-2026-121606	10.0 CRITICAL	Qihoo 360 D621-2/D603-2/D600-2/D619/D606-6/D706 Firmware Signature Verification iscm verif
CVE-2026-121607	10.0 CRITICAL	Qihoo 360 D603-2/D600-2/D606-6/D706 iscm testspeed_command os command injection
CVE-2026-121609	10.0 CRITICAL	Qihoo 360 Whole Home Router M5 Boot Script mpt start hard-coded credentials

IV. Related Vulnerabilities

Same product: D603-2

CVE-2026-121607
Qihoo 360 D603-2/D600-2/D606-6/D706 iscm testspeed_command o

Same vendor: Qihoo 360

Same weakness: CWE-78