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CVE-2026-121608

7.3, high

Qihoo 360 D603-2 Command Injection Vulnerability

NVD (opens in a new tab) CVE.org (opens in a new tab)
CVSS
7.3, high high CVSS v3.1
EPSS, next 30 days
n/a
Exploitation
No public evidence
Published
4 Nov 2026today

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).

Details

Vendor
Qihoo 360
Product
D603-2
Weakness
CWE-77 (opens in a new tab)
Status
Deferred
Updated
4 Nov 2026
Assigner
cna@vuldb.com

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

References 5

Other references 5

The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.

Other Qihoo 360 CVEs

Every Qihoo 360 CVE we hold

Same vendor in what we hold, not a known link between the flaws.

  • CVE-2026-121606 A vulnerability has been found in Qihoo 360 D621-2, D603-2, D600-2, D619, D606-6 and D706 up to 6.4.9 10, critical
  • CVE-2026-121607 Qihoo 360 D603-2 Command Injection Vulnerability 10, critical
  • CVE-2026-121609 A vulnerability was identified in Qihoo 360 Whole Home Router M5 4.0.17.1566 10, critical

Beyond this page

Is CVE-2026-121608 in your network?

This page tells you how dangerous CVE-2026-121608 is out there. Whether it sits on one of your devices, only a scan of your own network can tell. That is what our systems do, every day, for the companies we protect.

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Check your exposure

Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 4 Nov 2026, not the live upstream state.