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CVE-2025-34503— Shuffle Master Deck Mate 1 Unauthenticated EEPROM Firmware Execution

Quick assessment

Affected
Light & Wonder, Inc. / SHFL Entertainment, Inc. / Shuffle Master, Inc. Deck Mate 1
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Light & Wonder Deck Mate是英国Light & Wonder公司的一款自动发牌设备。 Light & Wonder Deck Mate存在安全漏洞，该漏洞源于直接从外部EEPROM执行固件而未验证真实性或完整性，可能导致物理访问的攻击者替换或重新刷新EEPROM以运行持久性任意代码。

CVSS 7.0 · High EPSS 0.13% · P2

Affected Version Matrix 1

VendorProduct Version RangeStatus
Light & Wonder, Inc. / SHFL Entertainment, Inc. / Shuffle Master, Inc. Deck Mate 1 < unknown affected
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I. Basic Information for CVE-2025-34503

Vulnerability Information
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Vulnerability Title
Shuffle Master Deck Mate 1 Unauthenticated EEPROM Firmware Execution
Source: CVE Program / CVE List V5
Vulnerability Description
Deck Mate 1 executes firmware directly from an external EEPROM without verifying authenticity or integrity. An attacker with physical access can replace or reflash the EEPROM to run arbitrary code that persists across reboots. Because this design predates modern secure-boot or signed-update mechanisms, affected systems should be physically protected or retired from service. The vendor has not indicated that firmware updates are available for this legacy model.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
密码学签名的验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Light & Wonder Deck Mate 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Light & Wonder Deck Mate是英国Light & Wonder公司的一款自动发牌设备。 Light & Wonder Deck Mate存在安全漏洞，该漏洞源于直接从外部EEPROM执行固件而未验证真实性或完整性，可能导致物理访问的攻击者替换或重新刷新EEPROM以运行持久性任意代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Light & Wonder, Inc. / SHFL Entertainment, Inc. / Shuffle Master, Inc. Deck Mate 1 0 ~ unknown -

II. Public POCs for CVE-2025-34503

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III. Intelligence Information for CVE-2025-34503

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Same Patch Batch · Light & Wonder, Inc. / SHFL Entertainment, Inc. / Shuffle Master, Inc. · 2025-10-24 · 3 CVEs total

CVE-2025-34500 7.0 HIGH Shuffle Master Deck Mate 2 Insecure Update Chain
CVE-2025-34502 7.0 HIGH Shuffle Master Deck Mate 2 Missing Secure Boot

IV. Related Vulnerabilities

Same vendor: Light & Wonder, Inc. / SHFL Entertainment, Inc. / Shuffle Master, Inc.
Same weakness: CWE-347

V. Comments for CVE-2025-34503

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