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CVE-2026-105664— Guangzhou Juan IoT Technology EseeCloud Observable Response Discrepancy

Quick assessment

Affected
Guangzhou Juan IoT Technology Co., Ltd. EseeCloud App
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.

该端点在处理 ID 值时存在可观察的响应差异：提交不存在 ID 的请求会返回与提交已注册有效 ID 的请求不同的错误响应码。这使得持有有效访问令牌（但无需进一步认证或授权）的攻击者能够从完整的 10 位数字搜索空间中区分出有效的 ID 值。加之该端点缺乏有效的速率限制，这种差异构成了枚举预言机（enumeration oracle），使攻击者能够大规模地发现已注册的设备。

CVSS 5.3 · Medium

Affected Version Matrix 2

VendorProduct Version RangeStatus
Guangzhou Juan IoT Technology Co., Ltd. EseeCloud App ≤ 4.9.6 affected
Guangzhou Juan IoT Technology Co., Ltd. EseeCloud Firmware ≤ 4.9.86.0 affected
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I. Basic Information for CVE-2026-105664

Vulnerability Information
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Vulnerability Title
Guangzhou Juan IoT Technology EseeCloud Observable Response Discrepancy
Source: CVE Program / CVE List V5
Vulnerability Description
The endpoint exposes an observable response discrepancy when processing ID values. A request submitted with a nonexistent ID returns a distinct error response code from one submitted with a valid, registered ID, allowing an attacker holding a valid access token - but without further authentication or authorization - to distinguish valid ID values from the full 10-digit numeric search space. Combined with the absence of meaningful rate limiting on this endpoint, this discrepancy constitutes an enumeration oracle, enabling an attacker to discover registered devices at scale.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
响应差异性信息暴露
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Guangzhou Juan IoT Technology Co., Ltd. EseeCloud App 0 ~ 4.9.6 -
Guangzhou Juan IoT Technology Co., Ltd. EseeCloud Firmware 0 ~ 4.9.86.0 -

II. Public POCs for CVE-2026-105664

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III. Intelligence Information for CVE-2026-105664

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Vendor Advisories for CVE-2026-105664 (2)

Vendor Pages for CVE-2026-105664 (1)

Same Patch Batch · Guangzhou Juan IoT Technology Co., Ltd. · 2026-10-16 · 3 CVEs total

CVE-2026-107617 9.8 CRITICAL Guangzhou Juan IoT Technology EseeCloud Use of Hard-coded Credentials
CVE-2026-97858 5.3 MEDIUM Guangzhou Juan IoT Technology EseeCloud Improperly Controlled Modification of Dynamically-

IV. Related Vulnerabilities

Same product: EseeCloud App
Same vendor: Guangzhou Juan IoT Technology Co., Ltd.
Same weakness: CWE-204

V. Comments for CVE-2026-105664

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