CVE-2026-6563H3C Magic B1 aspForm SetAPWifiorLedInfoById buffer overflow
Updated under an hour ago ()
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It affects H3C Magic B1. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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A vulnerability has been found in H3C Magic B1 up to 100R004. The affected element is the function SetAPWifiorLedInfoById of the file /goform/aspForm. The manipulation of the argument param leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public 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, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
- Weakness (CWE)
- CWE-120, CWE-119
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Deferred
- Record last updated
- Apr 20, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
H3C Magic B1 h3c:magic_b1 (from the name) | 100R004 | CNA record |
References
- https://vuldb.com/vuln/358200vdb-entry, technical-description
- https://vuldb.com/vuln/358200/ctisignature, permissions-required
- https://vuldb.com/submit/789531third-party-advisory
- https://github.com/K4ptor/H3C-routers-vulnerability/exploit
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.