Buffer Overflow in H3C Magic B0 Affected by Remote Exploit
CVE-2026-6560

8.7HIGH

Key Information:

Vendor

H3c
Status
Magic B0
Vendor
CVE Published:
19 April 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-6560?

A security vulnerability has been identified in H3C Magic B0 devices, specifically affecting the Edit_BasicSSID function of the /goform/aspForm file. This issue allows for a buffer overflow, enabling remote attackers to exploit the flaw and potentially execute arbitrary code. The vulnerability has been publicly disclosed, indicating a pressing need for users to address the risk in their systems. Despite earlier notifications to the vendor, there has been no response regarding remediation efforts.

Affected Version(s)

Magic B0 100R002

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.

CVE-2026-6560 - Proof of Concept

References

https://vuldb.com/vuln/358197
vdb-entrytechnical-description
https://vuldb.com/vuln/358197/cti
signaturepermissions-required
https://vuldb.com/submit/788021
third-party-advisory

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

xyhackr (VulDB User)
VulDB CNA Team
.