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

Status: published. Published: 2026-11-04. Updated: 2026-11-04.

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).

## Remediation

No remediation reported in collected sources

## Affected products and versions

- Qihoo 360 / D603-2: 6.3.0 (affected); 6.3.1 (affected); 6.3.2 (affected); 6.4.0 (unaffected). Source: CNA: VulDB
- Qihoo 360 / D600-2: 6.3.0 (affected); 6.3.1 (affected); 6.3.2 (affected); 6.4.0 (unaffected). Source: CNA: VulDB
- Qihoo 360 / D606-6: 6.3.0 (affected); 6.3.1 (affected); 6.3.2 (affected); 6.4.0 (unaffected). Source: CNA: VulDB

## Severity and prioritization

- CVSS 4.0: 6.9 (medium); CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P; source: CNA: VulDB

- CVSS 3.1: 7.3 (high); CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C; source: CNA: VulDB

- CVSS 3.0: 7.3 (high); CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C; source: CNA: VulDB

- CVSS 2.0: 7.5 (high); AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C; source: CNA: VulDB

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-78, CWE-77

## Exploit evidence

- exploit: https://gist.github.com/gajgdm6-cpu/b238ba799968564773a70ad480f3e404 (CNA: VulDB)

## References

- https://vuldb.com/vuln/430445 (CNA: VulDB; vdb-entry, technical-description)

- https://vuldb.com/vuln/430445/cti (CNA: VulDB; signature, permissions-required)

- https://vuldb.com/cve/CVE-2026-121608 (CNA: VulDB; third-party-advisory)

- https://vuldb.com/submit/1023263 (CNA: VulDB; third-party-advisory)

- https://gist.github.com/gajgdm6-cpu/b238ba799968564773a70ad480f3e404 (CNA: VulDB; exploit)

## Provenance

- CNA: VulDB: https://www.cve.org/CVERecord?id=CVE-2026-121608; retrieved 2026-11-04; source updated 2026-11-04

Revision: ba9d40c8a16690c52e636f71d6fda010c7f2bebe5fff32fc47ba8d7ff23fa5c0

Canonical: https://y2.dev/cve/CVE-2026-121608

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