CVE-2021-21724

MEDIUM

ZTE ZXR10 8900E Firmware < 3.03.20r2b30p1 - Memory Leak via Optical Signal Attenuation

Title source: llm
STIX 2.1

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)

Core 1

Scores

CVSS v3 4.4
EPSS 0.0003
EPSS Percentile 9.6%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-401
Status published
Products (1)
zte/zxr10_8900e_firmware < 3.03.20r2b30p1
Published Feb 26, 2021
Tracked Since Feb 18, 2026