CVE-2026-6563

HIGH 8.8

H3C Magic B1 aspForm SetAPWifiorLedInfoById buffer overflow

CVSS Score

8.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-120 CWE-119
Vendor	h3c
Product	magic b1
Published	Apr 19, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

H3C / Magic B1

100R004

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/358200 vuldb.com: https://vuldb.com/vuln/358200/cti vuldb.com: https://vuldb.com/submit/789531 github.com: https://github.com/K4ptor/H3C-routers-vulnerability/

Credits

🔍 s1incere (VulDB User) VulDB CNA Team