Buffer Overflow Vulnerability in H3C Magic B1 by H3C
CVE-2026-6581
8.7HIGH
Key Information:
Badges
👾 Exploit Exists🟡 Public PoC
What is CVE-2026-6581?
A buffer overflow vulnerability exists in the H3C Magic B1, specifically in the SetMobileAPInfoById function within the /goform/aspForm file. This issue allows for manipulation of the parameter input, potentially leading to remote code execution. The exploit is publicly known, and proactive measures should be taken to mitigate the risk, especially since the vendor has not provided a response to the vulnerability disclosure.
Affected Version(s)
Magic B1 100R004
Exploit Proof of Concept (PoC)
PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.
References
CVSS V4
Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None
Timeline
- 🟡
Public PoC available
- 👾
Exploit known to exist
Vulnerability published
Vulnerability Reserved
Credit
kunlun (VulDB User)
VulDB CNA Team