AUGUST 4, 2026
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Case File

CVE-2021-21724

MEDIUM · CVSS 4.4 EPSS 0.36%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-02-26 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE
CVE-2021-21724
Severity
MEDIUM
CVSS
4.4
EPSS
0.36%

Original NVD 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.