Buffer Overflow in Tenda AX12 Router Affecting Network Performance
CVE-2021-45392

7.5HIGH

Key Information:

Vendor

Tenda
Status
Ax12 Firmware
Vendor
CVE Published:
14 February 2022

What is CVE-2021-45392?

A buffer overflow vulnerability has been identified in the Tenda AX12 Router, specifically within the sub_422CE4 function, which is triggered by the prefixDelegate parameter in the /goform/setIPv6Status page. This flaw can result in denial of service, potentially disrupting network connectivity and performance for users. It is crucial for users to take preventive measures and apply updates as necessary to safeguard their devices.

References

https://www.tenda.com.cn/
x_refsource_MISC
http://tendawifi.com/index.html
x_refsource_MISC
https://www.tenda.com.cn/product/AX12.html
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

.