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CVE-2026-105284— Totolink A3002MU Authentication Check boa sub_40FCFC improper authorization

Quick assessment

Affected
Totolink A3002MU
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.

在Totolink A3002MU版本1.0.0-B20230403.1455中发现了安全弱点。受影响的组件为“认证检查”模块中文件 的函数 。攻击者可通过构造恶意操作触发该漏洞，导致身份验证机制失效，从而绕过授权控制。该漏洞可从远程发起攻击，且相关利用代码已公开，可能被用于实际攻击。

CVSS 10.0 · Critical
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I. Basic Information for CVE-2026-105284

Vulnerability Information
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Vulnerability Title
Totolink A3002MU Authentication Check boa sub_40FCFC improper authorization
Source: CVE Program / CVE List V5
Vulnerability Description
A weakness has been identified in Totolink A3002MU 1.0.0-B20230403.1455. The impacted element is the function sub_40FCFC of the file /bin/boa of the component Authentication Check. Executing a manipulation can lead to improper authorization. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Totolink A3002MU 1.0.0-B20230403.1455 cpe:2.3:a:totolink:a3002mu:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-105284

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III. Intelligence Information for CVE-2026-105284

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Other References for CVE-2026-105284 (4)

Same Patch Batch · Totolink · 2026-10-05 · 3 CVEs total

CVE-2026-105285 10.0 CRITICAL Totolink A3002MU QoS Rule formIpQoS stack-based overflow
CVE-2026-105286 6.3 MEDIUM Totolink A3002MU File Upload formUploadFile sub_44B250 path traversal

IV. Related Vulnerabilities

Same product: A3002MU
Same vendor: Totolink
Same weakness: CWE-285

V. Comments for CVE-2026-105284

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