#VU105958 Improper Verification of Cryptographic Signature in SmartThings - CVE-2025-2233

Vulnerability identifier: #VU105958

Vulnerability risk: Medium

CVSSv4.0: 6.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-2233

CWE-ID: CWE-347

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
SmartThings
Mobile applications / Apps for mobile phones

Vendor: Samsung

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to the lack of proper verification of a cryptographic signature within the Hub Local API service. A remote attacker on the local network can bypass authentication on the system.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

SmartThings: All versions

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External links
https://www.zerodayinitiative.com/advisories/ZDI-25-127/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.