Buffer Overflow Vulnerability in Tenda AC21 Router
CVE-2022-40070

7.5HIGH

Key Information:

Vendor

Tenda
Status
Ac21 Firmware
Vendor
CVE Published:
19 September 2022

What is CVE-2022-40070?

The Tenda AC21 Router version 16.03.08.15 is susceptible to a buffer overflow vulnerability through its HTTP service in the 'formSetFirewallCfg' function. An attacker could exploit this weakness to execute arbitrary code on the device, potentially compromising the entire network. It is crucial for users to update their routers to mitigate this risk.

References

https://github.com/xxy1126/Vuln/tree/main/Tenda%20AC21/8
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

.