PT-2026-33612 · H3C · Magic B1

S1Incere · Published 2026-04-18 · Updated 2026-04-19 · CVE-2026-6563

Mitre

CVSS v3.1

8.8

High

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

A vulnerability has been found in H3C Magic B1 up to 100R004. The affected element is the function SetAPWifiorLedInfoById of the file /goform/aspForm. The manipulation of the argument param leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Exploit

Fix

Buffer Overflow

Weakness Enumeration

CWE-120

CWE-119

Related Identifiers

CVE-2026-6563

Affected Products

Magic B1

References · 6

• 🔥 https://github.com/K4ptor/H3C-routers-vulnerability · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-6563 · Security Note
• https://vuldb.com/vuln/358200 · Note
• https://twitter.com/vuldb/status/2045539650874576993 · Twitter Post
• https://vuldb.com/submit/789531 · Note
• https://vuldb.com/vuln/358200/cti · Note