VULNERABILITY INTELLIGENCE
CVE-2021-21723
CVSS score7.5 HIGH
EPSS probability1.21%
CISA KEVNot currently listed
Published2021-01-26
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Description
Some ZTE products have a DoS vulnerability. Due to the improper handling of memory release in some specific scenarios, a remote attacker can trigger the vulnerability by performing a series of operations, resulting in memory leak, which may eventually lead to device denial of service. This affects: ZXR10 9904, ZXR10 9908, ZXR10 9916, ZXR10 9904-S, ZXR10 9908-S; all versions up to V1.01.10.B12.
Weakness classification
- nvd@nist.gov: CWE-401
Primary references
- psirt@zte.com.cn — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory