Buffer Overflow Vulnerability in Tenda AC21 Router
CVE-2022-40067

7.5HIGH

Key Information:

Vendor

Tenda
Status
Ac21 Firmware
Vendor
CVE Published:
19 September 2022

What is CVE-2022-40067?

The Tenda AC21 router version 16.03.08.15 is susceptible to a buffer overflow vulnerability. This flaw occurs within the /bin/httpd binary, specifically in the 'formSetVirtualSer' function, which can be manipulated to compromise the integrity of the device's operation. Successful exploitation could allow an attacker to execute arbitrary code, leading to unauthorized access and potential control over the affected router.

References

https://github.com/xxy1126/Vuln/tree/main/Tenda%20AC21/9
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

.