CVE-2026-9393 HIGH

CVE-2026-9393: H3C Magic B0 aspForm Edit_BasicSSID_5G buffer overflow

Vendor H3C
Product Magic B0
Weakness CWE-120
Published May 24, 2026
Last update May 26, 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 H3C Magic B0 up to 100R002. This affects the function Edit_BasicSSID_5G of the file /goform/aspForm. Performing a manipulation of the argument param results in buffer overflow. The attack may be initiated remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

Key dates

02Disclosure timeline

May 24, 2026 CVE published
May 26, 2026 Record updated