CVE-2021-21723

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.

• CWE-401

• http://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1014424Vendor Advisory
• http://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1014424Vendor Advisory

Published

Jan 26, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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