What’s Vulnerable › Vulnerabilities

CVE-2026-6563: H3C Magic B1 aspForm SetAPWifiorLedInfoById buffer overflow

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-04-19 · updated 2026-10-25
• Weakness: CWE-119

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 products

• H3C Magic B1: 100R004

References

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

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