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Vulnerability record · CVE-2019-5260 · published 13 December 2019

CVE-2019-5260: Huawei y9 2019 firmware improper input validation vulnerability

Huawei · Y9 2019 Firmware

Huawei smartphones HUAWEI Y9 2019 and Honor View 20 have a denial of service vulnerability. Due to insufficient input validation of specific value when parsing the messages, an attacker may send specially crafted TD-SCDMA messages from a rogue base station to the affected devices to exploit this vulnerability. Successful exploit may cause an infinite loop and the device to reboot.

6.5 CVSS 3.1 Medium EPSS 0.32% · top 76.3% CWE-20 · Improper input validation
6.5CVSS 3.1 base score, v2 6.1
0.32%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Huawei smartphones HUAWEI Y9 2019 and Honor View 20 have a denial of service vulnerability. Due to insufficient input validation of specific value when parsing the messages, an attacker may send specially crafted TD-SCDMA messages from a rogue base station to the affected devices to exploit this vulnerability. Successful exploit may cause an infinite loop and the device to reboot.

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

Affected products

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

References

LinkTags
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20190911-01-mobile-en Vendor Advisory
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20190911-01-mobile-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-2019-5260), CISA KEV, FIRST EPSS (scores of 2026-10-14). This page is refreshed as NVD updates the record.