Ad

CVE-2026-3803

HIGH CVSS 4.0: 7.4 EPSS 0.09%
Updated Mar 09, 2026
Tenda
Parameter Value
CVSS 7.4 (HIGH)
Type CWE-121 (Stack-based Buffer Overflow), CWE-119 (Buffer Overflow)
Vendor Tenda
Public PoC No

A vulnerability was identified in Tenda i3 1.0.0.6(2204). This affects the function formWifiMacFilterGet of the file /goform/WifiMacFilterGet. The manipulation of the argument index leads to stack-based buffer overflow.

It is possible to initiate the attack remotely. The exploit is publicly available and might 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
Low
Basic 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 2

Configuration From (including) Up to (excluding)
Tenda I3_Firmware
cpe:2.3:o:tenda:i3_firmware:1.0.0.6\(2204\):*:*:*:*:*:*:*
Tenda I3
cpe:2.3:h:tenda:i3:-:*:*:*:*:*:*:*