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CVE-2023-3943— Multiple buffer overflow in ZkTeco-based OEM devices

Quick assessment

Affected
ZkTeco ZkTeco-based OEM devices with firmware ZAM170-NF-1.8.25-7354-Ver1.0.0
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

ZkTeco OEM是中国ZkTeco公司的一款智能系统。 ZkTeco ProFace X、Smartec ST-FR043、Smartec ST-FR041ME、ZAM170-NF-1.8.25-7354-Ver1.0.0版本存在SQL注入漏洞，该漏洞源于缺乏某些保护机制，允许攻击者执行任意代码。

CVSS 10.0 · Critical EPSS 0.95% · P60

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2023-3943

Vulnerability Information
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Vulnerability Title
Multiple buffer overflow in ZkTeco-based OEM devices
Source: CVE Program / CVE List V5
Vulnerability Description
Stack-based Buffer Overflow vulnerability in ZkTeco-based OEM devices allows, in some cases, the execution of arbitrary code. Due to the lack of protection mechanisms such as stack canaries and PIE, it is possible to successfully execute code even under restrictive conditions. This issue affects ZkTeco-based OEM devices (ZkTeco ProFace X, Smartec ST-FR043, Smartec ST-FR041ME and possibly others) with firmware ZAM170-NF-1.8.25-7354-Ver1.0.0 and possibly others.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
ZkTeco ProFace X、Smartec ST-FR043、Smartec ST-FR041ME、ZAM170-NF-1.8.25-7354-Ver1.0.0 SQL注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ZkTeco OEM是中国ZkTeco公司的一款智能系统。 ZkTeco ProFace X、Smartec ST-FR043、Smartec ST-FR041ME、ZAM170-NF-1.8.25-7354-Ver1.0.0版本存在SQL注入漏洞，该漏洞源于缺乏某些保护机制，允许攻击者执行任意代码。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
ZkTeco ZkTeco-based OEM devices with firmware ZAM170-NF-1.8.25-7354-Ver1.0.0 ZAM170-NF-1.8.25-7354-Ver1.0.0 -

II. Public POCs for CVE-2023-3943

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 7078 chars
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III. Intelligence Information for CVE-2023-3943

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Other References for CVE-2023-3943 (1)

Same Patch Batch · ZkTeco · 2024-05-21 · 6 CVEs total

CVE-2023-3941 10.0 CRITICAL Multiple arbitrary file writes in ZkTeco-based OEM devices
CVE-2023-3939 10.0 CRITICAL Multiple command injection in ZkTeco-based OEM devices
CVE-2023-3940 7.5 HIGH Multiple arbitrary file reads in ZkTeco-based OEM devices
CVE-2023-3942 7.5 HIGH Multiple SQLi in ZkTeco-based OEM devices
CVE-2023-3938 4.6 MEDIUM Bypassing ZkTeco-based OEM devices/ZKTeco biometric authentication system via SQLi in QR c

IV. Related Vulnerabilities

Same product: ZkTeco-based OEM devices with firmware ZAM170-NF-1.8.25-7354-Ver1.0.0
Same vendor: ZkTeco
Same weakness: CWE-121

V. Comments for CVE-2023-3943

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