CVE-2026-3701: H3C Magic B1 aspForm Edit_BasicSSID_5G buffer overflow

Published Mar 8, 2026
·
Updated

A security vulnerability has been detected in H3C Magic B1 up to 100R004. Affected by this vulnerability is the function EditBasicSSID5G 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 Software

3 affected components
H3C Magic B1<=100R004
All of the following
H3C Magic B1 Firmware<=100r004
H3C Magic B1

Event History

Mar 8, 2026
CVE Published
via MITRE·04:02 AM
Data Sourced
via MITRE·04:02 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·05:16 AM
DescriptionSeverityWeaknessAffected Software
Nov 13, 58169
Event
via FIRST·07:13 AM
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2026-3701?

CVE-2026-3701 has been classified with a high severity due to the potential for buffer overflow exploitation.

2

How do I fix CVE-2026-3701?

To mitigate CVE-2026-3701, update the H3C Magic B1 firmware to the latest version beyond 100R004.

3

What systems are affected by CVE-2026-3701?

CVE-2026-3701 affects H3C Magic B1 devices running firmware versions up to and including 100R004.

4

What type of vulnerability is CVE-2026-3701?

CVE-2026-3701 is a buffer overflow vulnerability found in the Edit_BasicSSID_5G function of the H3C Magic B1.

5

Can CVE-2026-3701 be exploited remotely?

Yes, CVE-2026-3701 can potentially be exploited remotely due to the nature of the buffer overflow vulnerability.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203