CVE-2026-6581

HIGH

H3C Magic B1 aspForm SetMobileAPInfoById buffer overflow

Title source: cna
STIX 2.1

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.

References (4)

Core 4
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-358216 | H3C Magic B1 aspForm SetMobileAPInfoById buffer overflow
https://vuldb.com/vuln/358216
Signature, Permissions Required signature permissions-required
VDB-358216 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/vuln/358216/cti
Third Party Advisory third-party-advisory
Submit #790977 | New H3C Magic B1 <=100R004 buffer overflow
https://vuldb.com/submit/790977

Scores

CVSS v3 8.8
EPSS 0.0044
EPSS Percentile 35.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-119 CWE-120
Status published
Products (1)
H3C/Magic B1 100R004
Published Apr 19, 2026
Tracked Since Apr 20, 2026