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Vulnerability record · CVE-2019-5285 · published 4 June 2019

CVE-2019-5285: Huawei s12700 firmware improper input validation vulnerability

Huawei · S12700 Firmware

Some Huawei S series switches have a DoS vulnerability. An unauthenticated remote attacker can send crafted packets to the affected device to exploit this vulnerability. Due to insufficient verification of the packets, successful exploitation may cause the device reboot and denial of service (DoS) condition. (Vulnerability ID: HWPSIRT-2019-03109)

7.5 CVSS 3.0 High EPSS 1.7% · top 23.9% CWE-20 · Improper input validation
7.5CVSS 3.0 base score, v2 7.8
1.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
14Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

Some Huawei S series switches have a DoS vulnerability. An unauthenticated remote attacker can send crafted packets to the affected device to exploit this vulnerability. Due to insufficient verification of the packets, successful exploitation may cause the device reboot and denial of service (DoS) condition. (Vulnerability ID: HWPSIRT-2019-03109)

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

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

References

LinkTags
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20190522-01-switch-en
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20190522-01-switch-en Vendor Advisory
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20190522-01-switch-en
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20190522-01-switch-en Vendor Advisory

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Related vulnerabilities

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

8.1CVE-2016-4087Huawei s12700 firmware improper input validation vulnerabilityHuawei S12700 switches with software before V200R008C00SPC500 and S5700 switches with software before V200R005SPH010, when the debug switch is enable…EPSS 1.5%7.5CVE-2021-37129Huawei ips module firmware out-of-bounds write vulnerabilityThere is an out of bounds write vulnerability in some Huawei products. The vulnerability is caused by a function of a module that does not properly v…EPSS 0.68%7.5CVE-2021-22357Huawei s12700 firmware improper input validation vulnerabilityThere is a denial of service vulnerability in Huawei products. A module cannot deal with specific messages due to validating inputs insufficiently. A…EPSS 0.70%7.5CVE-2019-19397Huawei s12700 firmware vulnerabilityThere is a weak algorithm vulnerability in some Huawei products. The affected products use weak algorithms by default. Attackers may exploit the vuln…EPSS 0.76%7.5CVE-2016-8786Huawei s12700 firmware improper input validation vulnerabilityHuawei S12700 V200R005C00, V200R006C00, V200R007C00, V200R008C00, S5700 V200R006C00, V200R007C00, V200R008C00, S6700 V200R008C00, S7700 V200R001C00, …EPSS 1.7%7.5CVE-2017-17300Huawei s12700 firmware improper input validation vulnerabilityHuawei S12700 V200R008C00, V200R009C00, S5700 V200R007C00, V200R008C00, V200R009C00, S6700 V200R008C00, V200R009C00, S7700 V200R008C00, V200R009C00, …EPSS 1.6%7.5CVE-2017-17165Huawei quidway s2700 firmware out-of-bounds read vulnerabilityIPv6 function in Huawei Quidway S2700 V200R003C00SPC300, Quidway S5300 V200R003C00SPC300, Quidway S5700 V200R003C00SPC300, S2300 V200R003C00, V200R00…EPSS 0.97%7.5CVE-2014-4705Huawei s9300 firmware memory buffer overflow vulnerabilityMultiple heap-based buffer overflows in the eSap software platform in Huawei Campus S9300, S7700, S9700, S5300, S5700, S6300, and S6700 series switch…EPSS 1.5%

Source: NIST National Vulnerability Database (record CVE-2019-5285), CISA KEV, FIRST EPSS (scores of 2026-10-14). This page is refreshed as NVD updates the record.