CVE-2026-5604 HIGH

CVE-2026-5604: Tenda CH22 Parameter CertLocalPrecreate formCertLocalPrecreate stack-based overflow

Vendor Tenda
Product CH22
Weakness CWE-121
Published April 5, 2026
Last update April 6, 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 security flaw has been discovered in Tenda CH22 1.0.0.1. The impacted element is the function formCertLocalPrecreate of the file /goform/CertLocalPrecreate of the component Parameter Handler. Performing a manipulation of the argument standard results in stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks.

Key dates

02Disclosure timeline

April 5, 2026 CVE published
April 6, 2026 Record updated