RCE in Qihoo 360 D600-2
CVE-2026-121608
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).
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Qihoo 360 D600-2 — versions 6.3.0, 6.3.1, 6.3.2
- Qihoo 360 D603-2 — versions 6.3.0, 6.3.1, 6.3.2
- Qihoo 360 D606-6 — versions 6.3.0, 6.3.1, 6.3.2
Weakness classification (CWE)
References
- vuldb.com/vuln/430445 (technical-description, vdb-entry)
- vuldb.com/vuln/430445/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-121608 (third-party-advisory)
- vuldb.com/submit/1023263 (third-party-advisory)
- gist.github.com/gajgdm6-cpu/b238ba799968564773a70ad480f3e404 (exploit)
Frequently asked questions
- What is CVE-2026-121608?
- CVE-2026-121608 is a high-severity vulnerability in Qihoo 360 D600-2, classified under Command Injection. CVSS score: 7.3/10. Published 2026-11-04.
- How severe is CVE-2026-121608?
- High severity. CVSS v3 base score is 7.3 out of 10.