CVE-2026-3701A security vulnerability has been detected in H3C Magic B1 up to 100R004.
Updated under an hour ago ()
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It affects h3c magic_b1_firmware. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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
- 8.8 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-119, CWE-120
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Jun 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
h3c magic_b1_firmware h3c:magic_b1_firmware | through 100r004 | NVD |
References
- https://github.com/saltedfisholdxu/vul/blob/main/Magic%20B1/6_b1-report.mdexploit, third-party-advisory
- https://vuldb.com/?ctiid.349647permissions-required, vdb-entry
- https://vuldb.com/?id.349647third-party-advisory, vdb-entry
- https://vuldb.com/?submit.765771third-party-advisory, vdb-entry
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.