CVE-2026-6563
H3C Magic B1 aspForm SetAPWifiorLedInfoById buffer overflow
- State
- Published
- Severity
- 8.7 High
- Published
- Apr 19, 2026
- Updated
- Apr 20, 2026
- Reserved
- Apr 18, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 8.8 High | 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 | VulDB |
| 3.0 | 8.8 High | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 2.0 | 9.0 High | AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
Magic B1H3C |
|
References
- VDB-358200 | H3C Magic B1 aspForm SetAPWifiorLedInfoById buffer overflowvdb-entrytechnical-description
- VDB-358200 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #789531 | New H3C Technologies Co., Ltd. Magic B1 Magic B1<=100R004 buffer overflow vulnerabilitythird-party-advisory
- https://github.com/K4ptor/H3C-routers-vulnerability/exploit
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