CVE-2026-3701

A security vulnerability has been detected in H3C Magic B1 up to 100R004. Affected by this vulnerability is the function Edit_BasicSSID_5G of the file /goform/aspForm. Such manipulation of the argument param leads to buffer overflow. The attack can be executed remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS v3 8.8 HIGH
CVSS v2.0 9.0 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

9.0^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:S/C:C/I:C/A:C

Exploitability : 8.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://github.com/saltedfisholdxu/vul/blob/main/Magic%20B1/6_b1-report.md	Exploit Third Party Advisory
https://vuldb.com/?ctiid.349647	Permissions Required VDB Entry
https://vuldb.com/?id.349647	Third Party Advisory VDB Entry
https://vuldb.com/?submit.765771	Third Party Advisory VDB Entry

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:h3c:magic_b1_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:h3c:magic_b1:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-03-08 05:16

Updated : 2026-03-10 18:55

NVD link : CVE-2026-3701

Mitre link : CVE-2026-3701

CVE.ORG link : CVE-2026-3701

JSON object : View

Products Affected

h3c

magic_b1_firmware
magic_b1

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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