CVE-2021-45740

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-02-04 · updated 2026-06-17

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.

Affected products

TOTOLINK A720R: 4.1.5cu.470_b20200911

References

https://github.com/pjqwudi/my_vuln/blob/main/totolink/vuln_4/4.md
https://github.com/pjqwudi/my_vuln/blob/main/totolink/vuln_4/4.md

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