What’s Vulnerable › Vulnerabilities

CVE-2025-10942: H3C Magic B3 aspForm EditMacList buffer overflow

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-09-25 · updated 2026-10-11
• Weakness: CWE-119

Description

A vulnerability was identified in H3C Magic B3 up to 100R002. This affects the function AddMacList/EditMacList of the file /goform/aspForm. The manipulation of the argument param leads to buffer overflow. The attack can be initiated remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• H3C Magic B3: 100R002

References

• https://github.com/lin-3-start/lin-cve/blob/main/H3C%2BMagic%2BB3/H3C%20routers%20Buffer%20overflow.md
• https://github.com/lin-3-start/lin-cve/blob/main/H3C%2BMagic%2BB3/H3C%20routers%20Buffer%20overflow.md#poc
• https://vuldb.com/?ctiid.325812
• https://vuldb.com/?id.325812
• https://vuldb.com/?submit.651813
• https://vuldb.com/?submit.684667

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