TI-2025-01960 Aliases CVE-2025-2233 GHSA-hpm7-4h9p-phg8

Improper signature verification in Samsung SmartThings

MEDIUM 41CWE-347Published 2025-03-11 · Updated 2026-02-26

Key facts

Attack vector: Adjacent network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.0 · CNA. Fix status from CNA. Impact type from CWE-347.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.0077 55th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Samsung	SmartThings	000.054.00013	—	No fix listed	CNA

SmartThings VendorSamsung Affected 000.054.00013 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:samsung:smartthings::::::::	before 0.55.5	Vulnerable	Samsung

cpe:2.3:a:samsung:smartthings:*:*:*:*:*:*:*:* Versions before 0.55.5 Vulnerable ·Samsung

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2025-2233
2026-10-03 Alias added: GHSA-hpm7-4h9p-phg8

References

Advisory 1

ZDI-25-127

TI-2021-07747 Improper privilege management in Samsung SmartThings CVSS 3.1CRITICAL 9.8
TI-2022-12881 Improper authorization in Samsung Smart Things CVSS 3.1HIGH 7.5
TI-2024-22895 Improper authentication in Samsung SmartThings CVSS 3.1HIGH 7.5
TI-2022-18865 Improper access control in Samsung SmartThings CVSS 3.1HIGH 7.5
TI-2022-18864 Improper access control in Samsung SmartThings CVSS 3.1HIGH 7.5
TI-2022-18863 Improper access control in Samsung SmartThings CVSS 3.1HIGH 7.5

See all 16 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences