Vulnerability · Published Oct 5, 2026 · Assigned by VulDB
CVE-2026-105284Totolink A3002MU Authentication Check boa sub_40FCFC improper authorization
Critical 10.0
In plain English
A critical-severity security flaw in A3002MU from Totolink. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 58% of all known vulnerabilities).
Severity (CVSS 3.1)10.0Critical
Exploit odds (30 days)0.8%top 42.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
Weakness: CWE-285, CWE-266 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
References
- VDB-413465 | Totolink A3002MU Authentication Check boa sub_40FCFC improper authorization vdb-entry, technical-description
- VDB-413465 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-105284 | CVE Analysis and Report third-party-advisory
- Submit #977217 | TOTOLINK A3002MU V1.0.0-B20230403.1455 Authorization Bypass third-party-advisory
- https://gist.github.com/H3rmesk1t/ac6e91a8fba51002be085755c8bf7d43 exploit
- https://www.totolink.net/ product