CVE-2026-3803

HIGH
2026-03-09 [email protected]
8.8
CVSS 3.1
Share

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:56 vuln.today
PoC Detected
Mar 09, 2026 - 15:09 vuln.today
Public exploit code
CVE Published
Mar 09, 2026 - 06:16 nvd
HIGH 8.8

Tags

Buffer Overflow Stack Overflow I3 Firmware

Description

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.

Analysis

Remote code execution in Tenda i3 firmware versions up to 1.0.0.6(2204) via stack-based buffer overflow in the WiFi MAC filter function allows unauthenticated attackers to achieve full system compromise over the network. Public exploit code exists for this vulnerability and no patch is currently available. …

Sign in for full analysis, threat intelligence, and remediation guidance.

Remediation

Within 24 hours: Identify and inventory all Tenda i3 1.0.0.6(2204) devices in your environment and isolate them from production networks if possible. Within 7 days: Implement network segmentation to restrict administrative access to affected devices and enable detailed logging of all access attempts. …

Sign in for detailed remediation steps.

Full analysis requires sign-in

Get intelligence summaries, risk assessment, exploit details, threat intel, and remediation guidance.

Sign in - Free

Priority Score

64
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +44
POC: +20

Share

CVE-2026-3803 vulnerability details – vuln.today
Back

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy