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CVE-2026-50099— Naxclow IoT Platform Insertion of sensitive information into Externally-Accessible file or directory

Quick assessment

Affected
Naxclow Smart Doorbell X3
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.

Naxclow Smart Doorbell X3是Naxclow的一个智能家居视频门铃。 Naxclow Smart Doorbell X3存在信息泄露漏洞，该漏洞源于固件在WiFi关联过程中将SSID、PSK和WPA密钥以明文形式输出到暴露的UART控制台，且UART接口允许任意内存读取，可能导致具有物理访问权限的攻击者恢复WiFi凭证并启动固件侧攻击。

CVSS 4.6 · Medium EPSS 0.21% · P11

Possible ATT&CK Techniques 2 AI

T1155 T1083 · File and Directory Discovery

Affected Version Matrix 4

VendorProduct Version RangeStatus
Naxclow ix cam All affected
Naxclow Smart Doorbell X3 All affected
Naxclow V720 All affected
Naxclow X Smart Home All affected
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I. Basic Information for CVE-2026-50099

Vulnerability Information
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Vulnerability Title
Naxclow IoT Platform Insertion of sensitive information into Externally-Accessible file or directory
Source: CVE Program / CVE List V5
Vulnerability Description
During WiFi association, Naxclow device firmware prints the host network’s SSID, PSK, and negotiated WPA keys in cleartext to an exposed UART console on production hardware. The UART pads are labeled, run with default serial settings, and drop to an interactive RT-Thread shell that permits arbitrary memory reads, enabling full firmware extraction. An attacker with brief physical access, common for outdoor-mounted devices, can therefore recover WiFi credentials and bootstrap firmware-side attacks.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
文件和路径信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Naxclow Smart Doorbell X3 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Naxclow Smart Doorbell X3是Naxclow的一个智能家居视频门铃。 Naxclow Smart Doorbell X3存在信息泄露漏洞，该漏洞源于固件在WiFi关联过程中将SSID、PSK和WPA密钥以明文形式输出到暴露的UART控制台，且UART接口允许任意内存读取，可能导致具有物理访问权限的攻击者恢复WiFi凭证并启动固件侧攻击。
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
Naxclow Smart Doorbell X3 All -
Naxclow X Smart Home All -
Naxclow V720 All -
Naxclow ix cam All -

II. Public POCs for CVE-2026-50099

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III. Intelligence Information for CVE-2026-50099

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Vendor Advisories for CVE-2026-50099 (1)

Same Patch Batch · Naxclow · 2026-06-12 · 7 CVEs total

CVE-2026-28742 9.8 CRITICAL Naxclow IoT Platform Use of hard-coded cryptographic key
CVE-2026-42947 8.8 HIGH Naxclow IoT Platform Authorization bypass through User-Controlled key
CVE-2026-50101 8.1 HIGH Naxclow IoT Platform Not using password aging
CVE-2026-50108 7.5 HIGH Naxclow IoT Platform Missing Authorization
CVE-2026-42932 5.3 MEDIUM Naxclow IoT Platform Generation of Predictable Numbers or Identifiers
CVE-2026-50244 5.3 MEDIUM Naxclow IoT Platform Missing Authorization

IV. Related Vulnerabilities

Same product: Smart Doorbell X3
Same vendor: Naxclow
Same weakness: CWE-538

V. Comments for CVE-2026-50099

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