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CVE-2026-6563

H3C Magic B1 aspForm SetAPWifiorLedInfoById buffer overflow

HIGH
8.8
CVSS Score
Published: April 19, 2026 at 08:30 AM UTC
Updated: October 25, 2026 at 11:10 PM UTC
1 product affected across 1 vendorMagic B1

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Severity
HIGH8.8
Exploit prediction
EPSS 0.5%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (4)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/358200
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/358200/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/789531
Exploit
Source: cverecord
https://github.com/K4ptor/H3C-routers-vulnerability/

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-120CWE-119

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