VULNERABILITY INTELLIGENCE
CVE-2021-21724
CVSS score4.4 MEDIUM
EPSS probability0.37%
CISA KEVNot currently listed
Published2021-02-26
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Description
A ZTE product has a memory leak vulnerability. Due to the product's improper handling of memory release in certain scenarios, a local attacker with device permissions repeatedly attenuated the optical signal to cause memory leak and abnormal service. This affects: ZXR10 8900E, all versions up to V3.03.20R2B30P1.
Weakness classification
- nvd@nist.gov: CWE-401
Primary references
- psirt@zte.com.cn — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory