Buffer Overflow Vulnerability in Tenda AC21 Router
CVE-2022-40069

7.5HIGH

Key Information:

Vendor

Tenda
Status
Ac21 Firmware
Vendor
CVE Published:
19 September 2022

What is CVE-2022-40069?

The Tenda AC21 router, specifically version 16.03.08.15, has been identified to have a buffer overflow vulnerability in the HTTP daemon. This vulnerability arises from improper handling of input in the fromSetSysTime function when processing requests. An attacker could exploit this vulnerability to execute arbitrary code on the device, potentially leading to unauthorized access and control over the router.

References

https://github.com/xxy1126/Vuln/tree/main/Tenda%20AC21/6
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

.