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Vulnerability record · CVE-2020-1876 · published 28 February 2020

CVE-2020-1876: Huawei nip6800 firmware out-of-bounds write vulnerability

Huawei · Nip6800 Firmware

NIP6800;Secospace USG6600;USG9500 with versions of V500R001C30; V500R001C60SPC500; V500R005C00SPC100 have an out-of-bounds write vulnerability. An unauthenticated attacker crafts malformed packets with specific parameter and sends the packets to the affected products. Due to insufficient validation of packets, which may be exploited to cause the process reboot.

7.5 CVSS 3.1 High EPSS 0.76% · top 45.7% CWE-787 · Out-of-bounds write
7.5CVSS 3.1 base score, v2 5.0
0.76%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

NIP6800;Secospace USG6600;USG9500 with versions of V500R001C30; V500R001C60SPC500; V500R005C00SPC100 have an out-of-bounds write vulnerability. An unauthenticated attacker crafts malformed packets with specific parameter and sends the packets to the affected products. Due to insufficient validation of packets, which may be exploited to cause the process reboot.

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

Affected products

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

References

LinkTags
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200219-01-outofwrite-en Vendor Advisory
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200219-01-outofwrite-en 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-2020-1876), CISA KEV, FIRST EPSS (scores of 2026-10-17). This page is refreshed as NVD updates the record.