Qihoo 360 Whole Home Router M5 4.0.17.1566 Boot Script /etc/init.d/mpt start hard-coded credentials

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.4$0-$5k2.30

Summaryinfo

A vulnerability, which was classified as very critical, was found in Qihoo 360 Whole Home Router M5 4.0.17.1566. Impacted is the function Home of the file /etc/init.d/mpt of the component Boot Script. The manipulation results in hard-coded credentials. This vulnerability is identified as CVE-2026-121609. The attack can be executed remotely. Additionally, an exploit exists. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability, which was classified as very critical, was found in Qihoo 360 Whole Home Router M5 4.0.17.1566. Affected is the function start of the file /etc/init.d/mpt of the component Boot Script. The manipulation with an unknown input leads to a hard-coded credentials vulnerability. CWE is classifying the issue as CWE-798. The product contains hard-coded credentials, such as a password or cryptographic key, which it uses for its own inbound authentication, outbound communication to external components, or encryption of internal data. This is going to have an impact on confidentiality, integrity, and availability.

The advisory is available at gist.github.com. This vulnerability is traded as CVE-2026-121609. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details and a public exploit are known. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 11/03/2026). This vulnerability is assigned to T1110.001 by the MITRE ATT&CK project.

The exploit is shared for download at gist.github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.4

VulDB Base Score: 10.0
VulDB Temp Score: 9.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Hard-coded credentials
CWE: CWE-798 / CWE-259 / CWE-255
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

11/03/2026 Advisory disclosed
11/03/2026 +0 days VulDB entry created
11/03/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: gist.github.com
Status: Confirmed

CNA: VulDB
CVE: CVE-2026-121609 (🔒)

GCVE (CVE): GCVE-0-2026-121609
GCVE (VulDB): GCVE-100-430446
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 11/03/2026 17:29
Changes: 11/03/2026 17:29 (58)
Complete: 🔍
Submitter: xiaomao
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #1023264: 360 (Qihoo 360) 360 Whole Home Router M5 4.0.17.1566 Use of Hard-coded Credentials (by xiaomao)

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