What is CVE-2026-6194?

CVE-2026-6194 is a high-severity vulnerability in Totolink A3002mu, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2026-04-13.

How severe is CVE-2026-6194?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Totolink A3002mu

CVE-2026-6194

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…

Vulnerability class: Buffer Overflow

EPSS: 0.001 (24.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R.

Affected products

Totolink A3002mu — versions B20211125.1046

Weakness classification (CWE)

References

VDB-357116 | Totolink A3002MU HTTP Request formWlanSetup sub_410188 stack-based overflow (vdb-entry, technical-description)
VDB-357116 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
Submit #797452 | TOTOLINK A3002MU A3002MU_Hh-B20211125.1046 Stack-based Buffer Overflow (third-party-advisory)
github.com/zhuchan770/vulnerability/blob/main/A3002MU/formWlanSetup/ToToLinkA30… (exploit)
www.totolink.net/ (product)

Frequently asked questions

What is CVE-2026-6194?: CVE-2026-6194 is a high-severity vulnerability in Totolink A3002mu, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2026-04-13.
How severe is CVE-2026-6194?: High severity. CVSS v3 base score is 8.8 out of 10.