---
title: "CVE-2026-105284: Totolink A3002MU - Authentication Bypass"
description: "Totolink A3002MU 1.0.0-B20230403.1455 contains an improper authorization vulnerability caused by manipulation in the Authentication Check function sub_40FCFC in /bin/boa, letting remote attackers bypass authorization, exploit requires no special privileges."
url: https://panop.io/threat-heartbeat/CVE-2026-105284/
---

# CVE-2026-105284 Totolink A3002MU - Authentication Bypass

Totolink A3002MU 1.0.0-B20230403.1455 contains an improper authorization vulnerability caused by manipulation in the Authentication Check function sub\_40FCFC in /bin/boa, letting remote attackers bypass authorization, exploit requires no special privileges.

CVSS base score 10.0 /10

Critical

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.78% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-105284)

## Details

Type

Authentication Bypass

Impact

Broken Access Control

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Published

5 October 2026

Updated

15 October 2026

Weakness

[CWE-266](https://cwe.mitre.org/data/definitions/266.html)

## Vendor fix

Update to the latest version.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-105284](https://nvd.nist.gov/vuln/detail/CVE-2026-105284)
- [https://gist.github.com/H3rmesk1t/ac6e91a8fba51002be085755c8bf7d43](https://gist.github.com/H3rmesk1t/ac6e91a8fba51002be085755c8bf7d43)
- [https://vuldb.com/cve/CVE-2026-105284](https://vuldb.com/cve/CVE-2026-105284)
- [https://vuldb.com/submit/977217](https://vuldb.com/submit/977217)
- [https://vuldb.com/vuln/413465](https://vuldb.com/vuln/413465)
- [https://vuldb.com/vuln/413465/cti](https://vuldb.com/vuln/413465/cti)
- [https://www.totolink.net/](https://www.totolink.net/)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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