PatchTheCVECVE-2026-3701: A security vulnerability has been detected in H3C Magic B1 up to 100R004
CVE-2026-3701 is a high-severity flaw (CVSS 8.8) affecting magic b1 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- High severity
- Public exploit reference
A fixed release or distro patch exists.
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-3701?
magic b1 firmware: upgrade to newer than 100r004. Exact commands for each OS are on this page.
Is CVE-2026-3701 being exploited?
CVE-2026-3701 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-3701 affect?
CVE-2026-3701 affects magic b1 firmware. Severity is high (CVSS 8.8). 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 at
How urgent is CVE-2026-3701?
Priority 49/100. High severity; Public exploit reference