High severity · published Apr 13, 2026
CVE-2026-6194
Totolink A3002MU HTTP Request formWlanSetup sub_410188 stack-based overflow
8.8
CVSS
0.5%
EPSS
No
On KEV
Description
A weakness has been identified in Totolink A3002MU B20211125.1046. Affected by this vulnerability is the function sub_410188 of the file /boafrm/formWlanSetup of the component HTTP Request Handler. This manipulation of the argument wan-url causes stack-based buffer overflow. Remote exploitation of the attack is possible. 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:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 41% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
A3
A3002MU · Totolink
B20211125.1046 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-6194
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-6194
github.com
https://github.com/zhuchan770/vulnerability/blob/main/A3002MU/formWlanSetup/ToToLinkA3002MU%20formWlanSetup%20339996b67c9780caafb2d351dfd8a889.md
vuldb.com
https://vuldb.com/submit/797452
vuldb.com
https://vuldb.com/vuln/357116
vuldb.com
https://vuldb.com/vuln/357116/cti
www.totolink.net
https://www.totolink.net/
More from A3002MU
10.0
CVE-2026-105285
Totolink A3002MU QoS Rule formIpQoS stack-based overflow
10.0
CVE-2026-105284
Totolink A3002MU Authentication Check boa sub_40FCFC improper authorization
10.0
CVE-2026-93741
Totolink A3002MU formWlWds buffer overflow
10.0
CVE-2026-93740
Totolink A3002MU formWlEncrypt buffer overflow
9.9
CVE-2026-93742
Totolink A3002MU formWsc command injection