CVE-2026-9393

H3C Magic B0 aspForm Edit_BasicSSID_5G buffer overflow

CVSS 8.7 HIGHEPSS 0.4%CWE-119 CWE-120

Vexday Risk Score

41Attention

SSVC decision (CISA)

Attend

PoC available → attend closely

CVSS 8.7EPSS 0.4%KEV nãoPoC públicaNuclei —Metasploit —Patch —

Lifecycle

24 May 2026Published on NVD

Recommendation: Plan a near-term fix — a public PoC already exists.

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.

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

Affected products

H3C · Magic B0

public PoCs found — 1

cve_referencegithub.com/alc9700jmo/CVE/issues/25unverified

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References

https://github.com/alc9700jmo/CVE/issues/25 https://vuldb.com/submit/813477 https://vuldb.com/vuln/365374 https://vuldb.com/vuln/365374/cti