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CVE-2026-6563

HIGH

8.8

Description

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.

CVE Details

CVSS v3.1 Score8.8

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published4/19/2026

Last Modified4/22/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-119CWE-120

References

https://github.com/K4ptor/H3C-routers-vulnerability/(cna@vuldb.com)

https://vuldb.com/submit/789531(cna@vuldb.com)

https://vuldb.com/vuln/358200(cna@vuldb.com)

https://vuldb.com/vuln/358200/cti(cna@vuldb.com)

IOC Correlations

No correlations recorded

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