CVE-2026-19789 HIGH

CVE-2026-19789: Tenda AC1206 httpd web management interface WifiGuestSet set_wl_guest_iplist stack-based overflow

Vendor Tenda
Product AC1206
Weakness CWE-121
Published August 14, 2026
Last update August 14, 2026

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A vulnerability was determined in Tenda AC1206 15.03.06.23_multi_TD01. This vulnerability affects the function set_wl_guest_iplist of the file /goform/WifiGuestSet of the component httpd web management interface. This manipulation of the argument shareSpeed causes stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized.

Key dates

02Disclosure timeline

August 14, 2026 CVE published