Buffer Overflow Vulnerability in Tenda AC6 by Tenda
CVE-2023-40847

9.8CRITICAL

Key Information:

Vendor

Tenda
Status
Ac6 Firmware
Vendor
CVE Published:
30 August 2023

What is CVE-2023-40847?

The Tenda AC6 router is susceptible to a buffer overflow vulnerability in the 'initIpAddrInfo' function. This issue occurs due to improper validation of user input; a parameter is passed without any length check, allowing potential attackers to exploit this flaw. Such exploitation may lead to unauthorized code execution or denial of service, posing significant risks to network security. It is essential for users of affected versions to apply necessary mitigations promptly.

References

https://github.com/XYIYM/Digging/blob/main/Tenda/AC6/bof/...

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2023-40847 : Buffer Overflow Vulnerability in Tenda AC6 by Tenda