PT-2026-33612 · H3C · Magic B1

S1Incere · Published 2026-04-18 · Updated 2026-04-20 · CVE-2026-6563

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions H3C Magic B1 versions prior to 100R004

Description A buffer overflow can be triggered remotely through the manipulation of the param argument in the SetAPWifiorLedInfoById() function located in the '/goform/aspForm' file.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Buffer Overflow

Weakness Enumeration

CWE-120

CWE-119

Related Identifiers

CVE-2026-6563

Affected Products

Magic B1

References · 10

• 🔥 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/vuln/358200/cti · Note
• https://twitter.com/vuldb/status/2045842398794924033 · Twitter Post
• https://twitter.com/ctiwatchcloud/status/2046197196987498955 · Twitter Post
• https://vuldb.com/submit/789531 · Note
• https://twitter.com/infoflowcloud/status/2045836794286023010 · Twitter Post
• https://twitter.com/CVEnew/status/2045835239302349207 · Twitter Post