CVE-2020-23591

CRITICAL

OPTILINK OP-XT71000N V2.2 - File Upload

Title source: llm

Description

A vulnerability in OPTILINK OP-XT71000N Hardware Version: V2.2 , Firmware Version: OP_V3.3.1-191028 allows an attacker to upload arbitrary files through " /mgm_dev_upgrade.asp " which can "delete every file for Denial of Service (using 'rm -rf *.*' in the code), reverse connection (using '.asp' webshell), backdoor.

Exploits (1)

nomisec WRITEUP

by huzaifahussain98 · poc

https://github.com/huzaifahussain98/CVE-2020-23591

View Code ZIP pw:eip

References (1)

[Third Party Advisory] https://github.com/huzaifahussain98/CVE-2020-23591

Scores

CVSS v3 9.8

EPSS 0.0082

EPSS Percentile 74.4%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-434

Status published

Products (1)

optilinknetwork/op-xt71000n_firmware 3.3.1-191028

Published Nov 23, 2022

Tracked Since Feb 18, 2026