Stack Overflow in Tenda AC8 Firewall Configuration
CVE-2023-40891

9.8CRITICAL

Key Information:

Vendor

Tenda
Status
Ac8v4 Firmware
Vendor
CVE Published:
24 August 2023

What is CVE-2023-40891?

A stack overflow vulnerability has been identified in the Tenda AC8 router, specifically within the firewall configuration endpoint. The flaw, located in the '/goform/SetFirewallCfg' parameter named 'firewallEn', could allow attackers to manipulate the stack through crafted requests. This vulnerability poses a significant risk to users, potentially leading to unauthorized access and disruption of network security measures.

References

https://github.com/peris-navince/founded-0-days/blob/main...

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

.
CVE-2023-40891 : Stack Overflow in Tenda AC8 Firewall Configuration