Stack Overflow Vulnerability in Tenda AC9 Router
CVE-2023-40942

9.8CRITICAL

Key Information:

Vendor

Tenda
Status
Ac9 Firmware
Vendor
CVE Published:
7 September 2023

What is CVE-2023-40942?

A stack overflow vulnerability was identified in the Tenda AC9 router, specifically affecting the firmware version V3.0BR_V15.03.06.42_multi_TD01. This issue arises through improper handling of the 'firewall_value' parameter in the SetFirewallCfg endpoint. Exploiting this vulnerability could allow an attacker to manipulate the firewall settings, potentially leading to unauthorized access or denial of service.

References

https://github.com/GleamingEyes/vul/blob/main/tenda_ac9/S...

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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