CVE-2026-4254

9.8 CRITICAL
Published: March 16, 2026 Modified: March 20, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://vuldb.com/?ctiid.351212
Source: cna@vuldb.com
Permissions Required VDB Entry
https://vuldb.com/?id.351212
Source: cna@vuldb.com
Third Party Advisory VDB Entry
https://vuldb.com/?submit.771773
Source: cna@vuldb.com
Third Party Advisory VDB Entry
https://www.tenda.com.cn/
Source: cna@vuldb.com
Product

5 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
0.2%
36th percentile
Exploitation Status
Not in CISA KEV

Affected Vendors

tenda