Critical severity · published Oct 5, 2026
CVE-2026-105284
Totolink A3002MU Authentication Check boa sub_40FCFC improper authorization
10.0
CVSS
0.8%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 57% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
A3
A3002MU · Totolink
1.0.0-B20230403.1455 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-105284
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-105284
vdb-entry
https://vuldb.com/vuln/413465
signature
https://vuldb.com/vuln/413465/cti
third-party-advisory
https://vuldb.com/cve/CVE-2026-105284
third-party-advisory
https://vuldb.com/submit/977217
exploit
https://gist.github.com/H3rmesk1t/ac6e91a8fba51002be085755c8bf7d43
product
https://www.totolink.net/
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