QwikSec

Security Database

CVE

CWE

Training

CVE Database
/

CVE-2026-4254

Back to search

CVE-2026-4254

Published: Mar 16, 2026

Modified: Mar 16, 2026

PUBLISHED

CVSS v3.1

9.8

CRITICAL

Description

A weakness has been identified in Tenda AC8 up to 16.03.50.11. This vulnerability affects the function doSystemCmd of the file /goform/SysToolChangePwd of the component HTTP Endpoint. This manipulation of the argument local_2c causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks.

VendorProductVersions

Tenda

AC8

affected
16.03.50.0
affected
16.03.50.1
affected
16.03.50.2
affected
16.03.50.3
affected
16.03.50.4

+7 more versions

Weaknesses (CWE)

CWE-121
CWE-119

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

VDB-351212 | CTI Indicators (IOB, IOC, IOA)
signature
permissions-required

Security Training

Train your team to recognize and prevent security threats with our comprehensive security awareness program.

Start Training

Vulnerability Scanning

Discover vulnerabilities in your applications and infrastructure before attackers do.

Scan Now