What’s Vulnerable › Vulnerabilities

CVE-2026-6581: H3C Magic B1 aspForm SetMobileAPInfoById buffer overflow

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-04-19 · updated 2026-10-26
• Weakness: CWE-119

Description

A vulnerability was detected in H3C Magic B1 up to 100R004. Affected by this vulnerability is the function SetMobileAPInfoById of the file /goform/aspForm. Performing a manipulation of the argument param results in buffer overflow. Remote exploitation of the attack is possible. The exploit is now 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/hmKunlun/H3Cc/blob/main/h3c.md
• https://vuldb.com/submit/790977
• https://vuldb.com/vuln/358216
• https://vuldb.com/vuln/358216/cti

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