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CVE-2026-49198— Predator Connect W6x: MQTT Broker Access Control

Quick assessment

Affected
Acer Predator Connect W6x
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Acer Predator Connect W6x是中国台湾宏碁（Acer）公司的一系列高性能Wi-Fi 6/6E电竞路由器。 Acer Predator Connect W6x存在安全漏洞，该漏洞源于MQTT代理的访问控制不当允许通配符主题订阅，将所有MQTT流量暴露给未经授权的参与者。

AI Predicted 7.5 Difficulty: Easy EPSS 0.21% · P11

Possible ATT&CK Techniques 2 AI

T1530 · Data from Cloud Storage T1043

Affected Version Matrix 1

VendorProduct Version RangeStatus
Acer Predator Connect W6x W6x_GBL_2.00.000005≤ * affected
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I. Basic Information for CVE-2026-49198

Vulnerability Information
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Vulnerability Title
Predator Connect W6x: MQTT Broker Access Control
Source: CVE Program / CVE List V5
Vulnerability Description
Improper access control in the MQTT broker allows wildcard topic subscriptions, exposing all MQTT traffic to unauthorized actors.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Acer Predator Connect W6x 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Acer Predator Connect W6x是中国台湾宏碁（Acer）公司的一系列高性能Wi-Fi 6/6E电竞路由器。 Acer Predator Connect W6x存在安全漏洞，该漏洞源于MQTT代理的访问控制不当允许通配符主题订阅，将所有MQTT流量暴露给未经授权的参与者。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Acer Predator Connect W6x W6x_GBL_2.00.000005 ~ * -

II. Public POCs for CVE-2026-49198

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III. Intelligence Information for CVE-2026-49198

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Vendor Advisories for CVE-2026-49198 (1)

Same Patch Batch · Acer · 2026-05-29 · 7 CVEs total

CVE-2026-49195 Predator Connect W6x: unauthenticated Debug Service
CVE-2026-49200 Acer Wave 7 router: Broken Access Control
CVE-2026-49197 Predator Connect W6x: Improper Authentication
CVE-2026-49199 Predator Connect W6x: RCE via MQTT
CVE-2026-49196 Predator Connect W6x: Web Interface Command Injection
CVE-2026-49201 Acer Wave 7 router: Hardcoded Cryptographic Key

IV. Related Vulnerabilities

Same product: Predator Connect W6x
Same vendor: Acer
Same weakness: CWE-284

V. Comments for CVE-2026-49198

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