CVE-2021-45739: High severity totolink a720r firmware vulnerability

Published Feb 4, 2022
·
Updated

TOTOLINK A720R v4.1.5cu.470B20200911 was discovered to contain a stack overflow in the FormLogin function. This vulnerability allows attackers to cause a Denial of Service (DoS) via the flag parameter.

Affected Software

2 affected components
TOTOLINK A720r Firmware=4.1.5cu.470_b20200911
TOTOLINK A720R

Event History

Feb 4, 2022
CVE Published
via MITRE·01:33 AM
Data Sourced
via MITRE·01:33 AM
Description
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Frequently Asked Questions

1

What is CVE-2021-45739?

CVE-2021-45739 is a vulnerability found in TOTOLINK A720R v4.1.5cu.470_B20200911 firmware that allows attackers to cause a Denial of Service (DoS) via the flag parameter.

2

How severe is CVE-2021-45739?

CVE-2021-45739 has a severity rating of 7.5, which is considered high.

3

What software versions are affected by CVE-2021-45739?

The Totolink A720r Firmware version 4.1.5cu.470_b20200911 is affected by CVE-2021-45739.

4

How can attackers exploit CVE-2021-45739?

Attackers can exploit CVE-2021-45739 by causing a Denial of Service (DoS) through the flag parameter.

5

Is TOTOLINK A720R vulnerable to CVE-2021-45739?

TOTOLINK A720R is not vulnerable to CVE-2021-45739.

Contact

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