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TI-2026-84914 Aliases CVE-2026-121609GHSA-mmm6-v93x-r6rc

Hard-coded credentials in Qihoo 360 Whole Home Router M5 boot script

Priority MEDIUM 43CWE-259Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-259.

Summary

Qihoo 360 Whole Home Router M5 4.0.17.1566 contains hard-coded credentials (CWE-798) in the Home function of the boot script /etc/init.d/mpt. A remote attacker can use these built-in credentials without authentication. A public exploit is available and might be used.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

Description from the CNA

A vulnerability was identified in Qihoo 360 Whole Home Router M5 4.0.17.1566. This issue affects the function Home of the file /etc/init.d/mpt of the component Boot Script. The manipulation leads to hard-coded credentials. Remote exploitation of the attack is possible. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

Why it matters now

EPSS 0.00501 43rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
Qihoo 360Whole Home Router M54.0.17.1566—No fix listedCNA
  • Whole Home Router M5 VendorQihoo 360 Affected 4.0.17.1566 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:h:qihoo_360:whole_home_router_m5:*:*:*:*:*:*:*:*——Qihoo 360
  • cpe:2.3:h:qihoo_360:whole_home_router_m5:*:*:*:*:*:*:*:* Versions — — ·Qihoo 360

Remediation

The sources list no fixed version for Qihoo 360 Whole Home Router M5.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

Timeline

  1. 2026-11-04 Threatist record created from CVE-2026-121609
  2. 2026-11-04 Alias added: GHSA-mmm6-v93x-r6rc

References

Exploit 1

  • TI-2026-84912 OS command injection in Qihoo 360 D603-2 and other models CVSS 4.0CRITICAL 10.0
  • TI-2026-84911 Improper signature verification in Qihoo 360 firmware iscm CVSS 4.0CRITICAL 10.0
  • TI-2026-84913 OS command injection in Qihoo 360 D603-2 timezone push handler CVSS 4.0MEDIUM 6.9

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences