CVE-2021-45043

HIGH NUCLEI

HD-Network Real-time Monitoring System 2.0 - Path Traversal via Language Parameter

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2021-45043. PoCs published by Momen Eldawakhly, crypt0g30rgy. A Nuclei detection template is also available.

AI-analyzed exploit summary This exploit demonstrates a Local File Inclusion (LFI) vulnerability in HD-Network Real-time Monitoring System 2.0. The vulnerability is exploited via a crafted cookie parameter to read arbitrary files, such as /etc/passwd.

Description

HD-Network Real-time Monitoring System 2.0 allows ../ directory traversal to read /etc/shadow via the /language/lang s_Language parameter.

Exploits (2)

exploitdb WORKING POC
by Momen Eldawakhly · textremotelinux
https://www.exploit-db.com/exploits/50588

This exploit demonstrates a Local File Inclusion (LFI) vulnerability in HD-Network Real-time Monitoring System 2.0. The vulnerability is exploited via a crafted cookie parameter to read arbitrary files, such as /etc/passwd.

Classification
Working Poc 90%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: HD-Network Real-time Monitoring System V2.0
No auth needed
Prerequisites: Access to the target web server
devstral-2 · analyzed Feb 16, 2026 Full analysis →
nomisec WORKING POC 1 stars
by crypt0g30rgy · poc
https://github.com/crypt0g30rgy/cve-2021-45043

This repository contains a working proof-of-concept for CVE-2021-45043, a directory traversal vulnerability in HD-Network Real-time Monitoring System 2.0. The exploit leverages the `s_Language` cookie parameter to read arbitrary files, such as `/etc/shadow`, via a crafted HTTP request.

Classification
Working Poc 95%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: HD-Network Real-time Monitoring System 2.0
No auth needed
Prerequisites: Target system running HD-Network Real-time Monitoring System 2.0 · Network access to the target system
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Nuclei Templates (1)

HD-Network Realtime Monitoring System 2.0 - Local File Inclusion
HIGHby Momen Eldawakhly,Evan Rubinstein
Shodan: http.title:"hd-network real-time monitoring system v2.0"
FOFA: title="hd-network real-time monitoring system v2.0"

References (2)

Core 2
Core References

Scores

CVSS v3 7.5
EPSS 0.3313
EPSS Percentile 98.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-22
Status published
Products (1)
hd-network_real-time_monitoring_system_project/hd-network_real-time_monitoring_system 2.0
Published Dec 15, 2021
Tracked Since Feb 18, 2026