Stack Overflow in Totolink A3100R, A830R, and A720R Devices
CVE-2021-44246

7.5HIGH

Key Information:

Vendor

Totolink
Status
A720r Firmware
Vendor
CVE Published:
4 February 2022

What is CVE-2021-44246?

Totolink devices including A3100R, A830R, and A720R exhibit a vulnerability that leads to a stack overflow in the setNoticeCfg function. This flaw can be exploited through the IpTo parameter, enabling attackers to instigate a Denial of Service (DoS) condition. Addressing this vulnerability is critical to maintaining the operational integrity and security of affected devices.

References

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

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2021-44246 : Stack Overflow in Totolink A3100R, A830R, and A720R Devices