CVE-2021-45740

PoC —

CVSS 3.1

9.8 critical

EPSS

1%p70

Published

Feb 4, 2022 (Feb 4, 2022)

Modified

Jun 17, 2026

Description

TOTOLINK A720R v4.1.5cu.470_B20200911 was discovered to contain a stack overflow in the setWiFiWpsStart function. This vulnerability allows attackers to cause a Denial of Service (DoS) via the pin parameter.

Vendors: totolink
Products: a720r firmware
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (1.4%)

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