CVE-2026-6563
Remote Buffer Overflow in H3C Magic B1 SetAPWifiorLedInfo Function
Publication date: 2026-04-19
Last updated on: 2026-04-19
Assigner: VulDB
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| h3c | magic_b1 | to 100R004 (inc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-119 | The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data. |
| CWE-120 | The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability exists in the H3C Magic B1 device up to version 100R004, specifically in the function SetAPWifiorLedInfoById within the /goform/aspForm file. It is caused by improper handling of an argument parameter, which leads to a buffer overflow condition. This flaw can be exploited remotely, allowing an attacker to potentially execute arbitrary code or cause a denial of service.
How can this vulnerability impact me? :
The vulnerability can have serious impacts including remote code execution or denial of service on the affected device. Because it allows remote exploitation without user interaction, an attacker could take control of the device or disrupt its normal operation, potentially compromising network security and availability.