CVE-2026-113744

CRITICAL CVSS 4.0: 9.3 EPSS 0.62%
Updated Oct 21, 2026
Tenda
Parameter Value
CVSS 9.3 (CRITICAL)
Type CWE-119 (Buffer Overflow), CWE-121 (Stack-based Buffer Overflow)
Vendor Tenda
Public PoC No

A security vulnerability has been detected in Tenda AC19 16.03.10.07. The impacted element is the function formSetFirewallCfg of the file /goform/SetFirewallCfg of the component httpd Web Management Service. Such manipulation of the argument firewallEn leads to stack-based buffer overflow.

The attack may be launched remotely. The exploit has been disclosed publicly and may be used.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v4.0

Vulnerable Products

tenda:ac19