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Vulnerability record · CVE-2019-5257 · published 13 December 2019

CVE-2019-5257: Huawei ap2000 firmware classic buffer overflow vulnerability

Huawei · Ap2000 Firmware

Certain Huawei products (AP2000;IPS Module;NGFW Module;NIP6300;NIP6600;NIP6800;S5700;SVN5600;SVN5800;SVN5800-C;SeMG9811;Secospace) have a resource management vulnerability. An attacker who logs in to the board may send crafted messages from the internal network.

5.5 CVSS 3.1 Medium EPSS 0.20% · top 91.0% CWE-120 · Classic buffer overflow
5.5CVSS 3.1 base score, v2 2.1
0.20%EPSS exploitation probability, 30 days
NoNot in CISA KEV
17Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Certain Huawei products (AP2000;IPS Module;NGFW Module;NIP6300;NIP6600;NIP6800;S5700;SVN5600;SVN5800;SVN5800-C;SeMG9811;Secospace) have a resource management vulnerability. An attacker who logs in to the board may send crafted messages from the internal network.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

17 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20191211-01-ssp-en Vendor Advisory
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20191211-01-ssp-en Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2019-5257), CISA KEV, FIRST EPSS (scores of 2026-10-17). This page is refreshed as NVD updates the record.