CVE-2026-6581

HIGH 8.8

H3C Magic B1 aspForm SetMobileAPInfoById buffer overflow

CVSS Score

8.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

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/358216 vuldb.com: https://vuldb.com/vuln/358216/cti vuldb.com: https://vuldb.com/submit/790977 github.com: https://github.com/hmKunlun/H3Cc/blob/main/h3c.md

Credits

🔍 kunlun (VulDB User) VulDB CNA Team