CVE-2022-29593

MEDIUM

Dingtian DT-R002 3.1.276A - Unauthenticated Authentication Bypass via HTTP Request Replay

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2022-29593. PoCs published by Victor Hanna, 9lyph.

AI-analyzed exploit summary This exploit demonstrates an authentication bypass vulnerability (CVE-2022-29593) in Dingtian-DT-R002 3.1.276A by sending crafted HTTP requests to control relay switches without authentication. It leverages a capture-replay attack (CWE-294) to manipulate relay states via the relay_cgi.cgi endpoint.

Description

relay_cgi.cgi on Dingtian DT-R002 2CH relay devices with firmware 3.1.276A allows an attacker to replay HTTP post requests without the need for authentication or a valid signed/authorized request.

Exploits (2)

exploitdb WORKING POC
by Victor Hanna · pythonwebappshardware
https://www.exploit-db.com/exploits/50984

This exploit demonstrates an authentication bypass vulnerability (CVE-2022-29593) in Dingtian-DT-R002 3.1.276A by sending crafted HTTP requests to control relay switches without authentication. It leverages a capture-replay attack (CWE-294) to manipulate relay states via the relay_cgi.cgi endpoint.

Classification
Working Poc 95%
Attack Type
Auth Bypass
Complexity
Trivial
Reliability
Reliable
Target: Dingtian DT-R002 2CH Smart Relay V3.1.276A
No auth needed
Prerequisites: Network access to the target device · Knowledge of the target's IP address
devstral-2 · analyzed Feb 16, 2026 Full analysis →
nomisec WORKING POC 8 stars
by 9lyph · poc
https://github.com/9lyph/CVE-2022-29593

This repository contains a functional proof-of-concept exploit for CVE-2022-29593, an authentication bypass vulnerability in Shenzhen Dingtian Technologies' 2 Channel Relay Board (Firmware V3.1.276A). The exploit demonstrates how unauthenticated HTTP requests can control the relays by replaying captured requests.

Classification
Working Poc 100%
Attack Type
Auth Bypass
Complexity
Trivial
Reliability
Reliable
Target: Dingtian DT-R002 2CH Relay Board, Firmware V3.1.276A
No auth needed
Prerequisites: Network access to the target device · Device must be running affected firmware version
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Scores

CVSS v3 5.9
EPSS 0.0989
EPSS Percentile 94.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-294
Status published
Products (1)
dingtian-tech/dt-r004_firmware 3.1.276a
Published Jul 14, 2022
Tracked Since Feb 18, 2026