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Vulnerability record · CVE-2014-4705 · published 30 January 2018

CVE-2014-4705: Huawei s9300 firmware memory buffer overflow vulnerability

Huawei · S9300 Firmware

Multiple heap-based buffer overflows in the eSap software platform in Huawei Campus S9300, S7700, S9700, S5300, S5700, S6300, and S6700 series switches; AR150, AR160, AR200, AR1200, AR2200, AR3200, AR530, NetEngine16EX, SRG1300, SRG2300, and SRG3300 series routers; and WLAN AC6005, AC6605, and ACU2 access controllers allow remote attackers to cause a denial of service (device restart) via a crafted length field in a packet.

7.5 CVSS 3.0 High EPSS 1.5% · top 26.8% CWE-119 · Memory buffer overflow
7.5CVSS 3.0 base score, v2 7.8
1.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
21Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

Multiple heap-based buffer overflows in the eSap software platform in Huawei Campus S9300, S7700, S9700, S5300, S5700, S6300, and S6700 series switches; AR150, AR160, AR200, AR1200, AR2200, AR3200, AR530, NetEngine16EX, SRG1300, SRG2300, and SRG3300 series routers; and WLAN AC6005, AC6605, and ACU2 access controllers allow remote attackers to cause a denial of service (device restart) via a crafted length field in a packet.

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

Affected products

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

References

LinkTags
http://secunia.com/advisories/59349 Permissions Required
http://www.huawei.com/en/security/psirt/security-bulletins/security-advisories/hw-345171.htm Vendor Advisory
http://secunia.com/advisories/59349 Permissions Required
http://www.huawei.com/en/security/psirt/security-bulletins/security-advisories/hw-345171.htm Vendor Advisory

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

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Source: NIST National Vulnerability Database (record CVE-2014-4705), CISA KEV, FIRST EPSS (scores of 2026-10-15). This page is refreshed as NVD updates the record.