CVE-2026-11553 HIGH

CVE-2026-11553: Tenda HG7HG9/HG10 formPPPEdit stack-based overflow

Vendor Tenda
Product HG7HG9
Weakness CWE-121
Published June 8, 2026
Last update June 8, 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 found in Tenda HG7HG9 and HG10 300001138_en_xpon. This affects the function formPPPEdit of the file /boaform/formPPPEdit. The manipulation of the argument encodename results in stack-based buffer overflow. The attack can be launched remotely. The exploit has been made public and could be used.

Key dates

02Disclosure timeline

June 8, 2026 CVE published
June 8, 2026 Record updated