CVE-2026-9393 Details
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.
A buffer overflow vulnerability has been identified in the H3C Magic B0 router, affecting versions through 100R002. The issue arises in the Edit_BasicSSID_5G function within the /goform/aspForm file. The vulnerability can be exploited remotely by manipulating the 'param' argument, leading to potential memory corruption. Publicly available exploitation methods could be used to trigger this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed May 24, 2026CISA-ADP
Assessed May 26, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/alc9700jmo/CVE/issues/25 | [email protected] | ExploitIssue TrackingTechnical Analysis |
| https://vuldb.com/submit/813477 | [email protected] | Permission Required |
| https://vuldb.com/vuln/365374 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/vuln/365374/cti | [email protected] | AdvisoryPermission Required |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | [email protected] |
| CWE-120 | Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| H3C Magic B0 | <= 100R002 |
CPE
Remediation
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Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 23, 2026 | CVE Translated | [email protected] |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| May 24, 2026 | New CVE Received | [email protected] |