CVE-2026-86165 CRITICAL

CVE-2026-86165: Tenda HG10 formURL buffer overflow

Vendor Tenda
Product HG10
Weakness CWE-120
Published September 6, 2026
Last update September 6, 2026

CVSS base score

9.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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 HG10 300001138. This vulnerability affects the function formURL of the file /boaform/admin/formURL. Performing a manipulation of the argument Keywd/urlFQDN results in buffer overflow. The attack may be initiated remotely. The exploit has been made public and could be used.

Key dates

02Disclosure timeline

September 6, 2026 CVE published