CVE-2026-3701

H3C Magic B1 aspForm Edit_BasicSSID_5G buffer overflow

HIGH
8.8
CVSS Score
Published: March 8, 2026 at 04:02 AM UTC
Updated: June 17, 2026 at 10:44 AM UTC
2 products affected across 1 vendorMagic B1 FirmwareMagic B1

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Severity
HIGH8.8
Exploit prediction
EPSS 0.7%
SSVC
PoC

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 100r004
h3c-magic-b1 (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (4)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/?id.349647
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/?ctiid.349647
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/?submit.765771

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHVulDB
Vector?

Quick Info

StatusANALYZED
CWE
CWE-120CWE-119

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