CVE-2025-2233

Samsung SmartThings Improper Verification of Cryptographic Signature Authentication Bypass Vulnerability

Description

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.

Category

8.8
CVSS
Severity: High
CVSS 3.0 •
EPSS 0.04%
Affected: Samsung SmartThings
Published at:
Updated at:

References

Link Tags
https://www.zerodayinitiative.com/advisories/ZDI-25-127/

Frequently Asked Questions

What is the severity of CVE-2025-2233?
CVE-2025-2233 has been scored as a high severity vulnerability.
How to fix CVE-2025-2233?
To fix CVE-2025-2233, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-2233 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-2233 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-2233?
CVE-2025-2233 affects Samsung SmartThings.
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