Improper Authorization in Totolink A3002MU by Totolink
CVE-2026-105284

10CRITICAL

Key Information:

Vendor

Totolink
Status
A3002mu
Vendor
CVE Published:
5 October 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-105284?

A vulnerability has been discovered in the Totolink A3002MU router related to the Authentication Check component. An issue exists in the function sub_40FCFC within the /bin/boa file that allows unauthorized remote manipulation. This vulnerability could enable attackers to bypass authorization checks, potentially leading to unauthorized access. With public exploit code available, users are strongly urged to take immediate precautions to secure their devices.

Affected Version(s)

A3002MU 1.0.0-B20230403.1455

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-105284 - Proof of Concept

References

https://vuldb.com/vuln/413465
vdb-entrytechnical-description
https://vuldb.com/vuln/413465/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-105284
third-party-advisory

CVSS V4

Score:
10
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

H3rmesk1t (VulDB User)
.