AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2020-23591

CRITICAL · CVSS 9.8 EPSS 1.06% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-11-23 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links
github.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2020-23591
Severity
CRITICAL
CVSS
9.8
EPSS
1.06%

Original NVD 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.