Stack Overflow Vulnerability in TOTOLINK A720R Router
CVE-2021-45740

9.8CRITICAL

Key Information:

Vendor

Totolink
Status
A720r Firmware
Vendor
CVE Published:
4 February 2022

What is CVE-2021-45740?

The TOTOLINK A720R router is vulnerable to a stack overflow in the setWiFiWpsStart function, triggered by the pin parameter. This flaw allows remote attackers to exploit the vulnerability, potentially leading to a Denial of Service (DoS) condition, of which the system becomes unresponsive, disrupting normal network operations.

References

https://github.com/pjqwudi/my_vuln/blob/main/totolink/vul...
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.