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7.4
CVE-2026-9393: H3C Magic B0: Remote buffer overflow in 5G SSID settings
CVE-2026-9393
Summary
A security flaw in H3C Magic B0's 5G SSID settings allows an attacker to potentially take control of the device remotely. This vulnerability was made public, but the vendor has not responded to address the issue. It's essential to update to a patched version or apply alternative mitigations to protect against this risk.
Original title
A vulnerability was found in H3C Magic B0 up to 100R002. This affects the function Edit_BasicSSID_5G of the file /goform/aspForm. Performing a manipulation of the argument param results in buffer o...
Original description
A vulnerability was found in H3C Magic B0 up to 100R002. This affects the function Edit_BasicSSID_5G of the file /goform/aspForm. Performing a manipulation of the argument param results in buffer overflow. The attack may be initiated remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
nvd CVSS2.0
9.0
nvd CVSS3.1
8.8
nvd CVSS4.0
7.4
Vulnerability type
CWE-119
Buffer Overflow
CWE-120
Classic Buffer Overflow
Published: 24 May 2026 · Updated: 31 May 2026 · First seen: 26 May 2026