CVE-2021-21724

MEDIUM

ZTE Zxr10 8900e Firmware < 3.03.20r2b30p1 - Memory Leak

Title source: rule

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.

References (1)

[Vendor Advisory] http://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1014584

Scores

CVSS v3 4.4

EPSS 0.0003

EPSS Percentile 8.9%

Attack Vector LOCAL

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

Classification

CWE

CWE-401

Status published

Affected Products (1)

zte/zxr10_8900e_firmware < 3.03.20r2b30p1

Timeline

Published Feb 26, 2021

Tracked Since Feb 18, 2026