CVE-2023-33782

HIGH

D-Link DIR-842V2 v1.0.3 - Command Injection

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2023-33782. PoCs published by s0tr.

AI-analyzed exploit summary This exploit leverages a command injection vulnerability in the `iperf3` diagnostics functionality of D-Link DIR-842V2 v1.0.3. It authenticates via the web interface, sends a malicious payload via WebSocket, and spawns a telnet shell for remote code execution.

Description

D-Link DIR-842V2 v1.0.3 was discovered to contain a command injection vulnerability via the iperf3 diagnostics function.

Exploits (1)

nomisec WORKING POC 2 stars
by s0tr · poc
https://github.com/s0tr/CVE-2023-33782

This exploit leverages a command injection vulnerability in the `iperf3` diagnostics functionality of D-Link DIR-842V2 v1.0.3. It authenticates via the web interface, sends a malicious payload via WebSocket, and spawns a telnet shell for remote code execution.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: D-Link DIR-842V2 v1.0.3
Auth required
Prerequisites: network access to the target · valid admin credentials
mistral-large-3 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4
Core References
Broken Link
http://dir-842v2.com
Exploit, Third Party Advisory
https://github.com/s0tr/CVE-2023-33782

Scores

CVSS v3 8.8
EPSS 0.3664
EPSS Percentile 98.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-77
Status published
Products (1)
dlink/dir-842v2_firmware 1.0.3
Published Jun 07, 2023
Tracked Since Feb 18, 2026