CVE-2026-6581 (GCVE-0-2026-6581)

Vulnerability from cvelistv5 – Published: 2026-04-19 22:30 – Updated: 2026-04-19 22:30
VLAI?
Title
H3C Magic B1 aspForm SetMobileAPInfoById buffer overflow
Summary
A vulnerability was detected in H3C Magic B1 up to 100R004. Affected by this vulnerability is the function SetMobileAPInfoById of the file /goform/aspForm. Performing a manipulation of the argument param results in buffer overflow. Remote exploitation of the attack is possible. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity ?
8.7 (High)
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
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
8.8 (High)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
CWE
Assigner
References
https://vuldb.com/vuln/358216 vdb-entrytechnical-description
https://vuldb.com/vuln/358216/cti signaturepermissions-required
https://vuldb.com/submit/790977 third-party-advisory
https://github.com/hmKunlun/H3Cc/blob/main/h3c.md exploit
Impacted products
Vendor Product Version
H3C Magic B1 Affected: 100R004
Create a notification for this product.
Credits
kunlun (VulDB User) VulDB CNA Team
Show details on NVD website
To clipboard 

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        {
          "product": "Magic B1",
          "vendor": "H3C",
          "versions": [
            {
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              "version": "100R004"
            }
          ]
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      ],
      "credits": [
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          "lang": "en",
          "type": "reporter",
          "value": "kunlun (VulDB User)"
        },
        {
          "lang": "en",
          "type": "coordinator",
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        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability was detected in H3C Magic B1 up to 100R004. Affected by this vulnerability is the function SetMobileAPInfoById of the file /goform/aspForm. Performing a manipulation of the argument param results in buffer overflow. Remote exploitation of the attack is possible. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way."
        }
      ],
      "metrics": [
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        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-358216 | H3C Magic B1 aspForm SetMobileAPInfoById buffer overflow",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/vuln/358216"
        },
        {
          "name": "VDB-358216 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/358216/cti"
        },
        {
          "name": "Submit #790977 | New H3C Magic B1 \u003c=100R004 buffer overflow",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/790977"
        },
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            "exploit"
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        }
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          "value": "Advisory disclosed"
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          "time": "2026-04-19T02:00:00.000Z",
          "value": "VulDB entry created"
        },
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          "lang": "en",
          "time": "2026-04-19T07:20:23.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "H3C Magic B1 aspForm SetMobileAPInfoById buffer overflow"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-6581",
    "datePublished": "2026-04-19T22:30:15.766Z",
    "dateReserved": "2026-04-19T05:14:48.176Z",
    "dateUpdated": "2026-04-19T22:30:15.766Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
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  }
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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