CVE-2026-4492

| EUVD-2026-13740 HIGH
2026-03-20 VulDB
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

4
PoC Detected
Mar 24, 2026 - 15:54 vuln.today
Public exploit code
Analysis Generated
Mar 20, 2026 - 17:30 vuln.today
EUVD ID Assigned
Mar 20, 2026 - 17:30 euvd
EUVD-2026-13740
CVE Published
Mar 20, 2026 - 17:02 nvd
HIGH 8.8

Description

A vulnerability was found in Tenda A18 Pro 02.03.02.28. The affected element is the function set_qosMib_list of the file /goform/formSetQosBand. Performing a manipulation of the argument list results in stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been made public and could be used.

Analysis

Remote code execution in Tenda A18 Pro firmware 02.03.02.28 allows authenticated attackers to achieve full system compromise through stack-based buffer overflow in the QoS configuration function. Public exploit code exists for this vulnerability and no patch is currently available, leaving deployed devices at immediate risk.

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

Remediation

Within 24 hours: Inventory all Tenda A18 Pro routers running firmware 02.03.02.28 and isolate affected devices from critical network segments; disable the /goform/formSetQosBand endpoint if possible via administrative access controls. Within 7 days: Restrict administrative access to affected routers to authorized personnel only, implement network segmentation to limit lateral movement, and monitor for suspicious authentication logs. …

Sign in for detailed remediation steps.

Priority Score

64
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +44
POC: +20

Share

CVE-2026-4492 vulnerability details – vuln.today

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