---
id: CVE-2025-10942
title: A vulnerability was identified in H3C Magic B3 up to 100R002
summary: >-
  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
  remo…
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-119
  - CWE-120
published: '2025-09-25'
updated: '2026-10-11'
sourceUpdated: '2026-10-11T20:10:00.200'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-10942'
references:
  - url: >-
      https://github.com/lin-3-start/lin-cve/blob/main/H3C%2BMagic%2BB3/H3C%20routers%20Buffer%20overflow.md
    label: cna@vuldb.com
  - url: >-
      https://github.com/lin-3-start/lin-cve/blob/main/H3C%2BMagic%2BB3/H3C%20routers%20Buffer%20overflow.md#poc
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?ctiid.325812'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?id.325812'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?submit.651813'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?submit.684667'
    label: cna@vuldb.com
tags:
  - nvd
epss: 0.00793
epssPercentile: 0.5514
ingestedAt: '2026-10-12T14:50:33.986Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.