PT-2026-25746 · Tenda · Ac8

Digitalandrew · Published 2026-03-16 · Updated 2026-03-16 · CVE-2026-4254

NVD

CVSS v2.0

10

10

High

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

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.

Exploit

Fix

Stack Overflow

Buffer Overflow

Weakness Enumeration

CWE-121

CWE-119

Related Identifiers

CVE-2026-4254

Affected Products

Ac8

References · 8

• 🔥 https://github.com/digitalandrew/tenda_ac8_v5/blob/main/CVE_Report_Tenda_AC8_SysToolChangePwd_BOF.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-4254 · Security Note
• https://vuldb.com/?ctiid.351212 · Note
• https://twitter.com/0dayPublishing/status/2033602737858892203 · Twitter Post
• https://twitter.com/vuldb/status/2033510646210552115 · Twitter Post
• https://vuldb.com/?submit.771773 · Note
• https://tenda.com.cn · Note
• https://vuldb.com/?id.351212 · Note