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CVE-2026-86554— Email enumeration and account ID leakage vulnerabilities in ZTE SmartLife APP

Quick assessment

Affected
ZTE SmartLife
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.

SmartLife 应用程序在其运行过程中动态生成全新的 SmartLife 应用认证参数。利用这些获取到的认证参数，攻击者可以直接调用后端接口 来判断目标邮箱地址是否已注册 SmartLife 账户。如果账户存在，还可以获取该账户的真实后端账户 ID。

CVSS 4.3 · Medium

Possible ATT&CK Techniques 1 AI

T1059.005 · Visual Basic
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I. Basic Information for CVE-2026-86554

Vulnerability Information
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Vulnerability Title
Email enumeration and account ID leakage vulnerabilities in ZTE SmartLife APP
Source: CVE Program / CVE List V5
Vulnerability Description
SmartLife app dynamically generates brand‑new SmartLife application authentication parameters within its runtime process. With the obtained SmartLife application authentication parameters, attackers can directly invoke the backend interface /account/verify.serv to determine whether a target email address is registered for a SmartLife account. If the account exists, the real backend account ID can also be retrieved.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
特权管理不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
ZTE SmartLife ZTE_SL_V2.8.2_ABROAD and prior versions -

II. Public POCs for CVE-2026-86554

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III. Intelligence Information for CVE-2026-86554

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Vendor Advisories for CVE-2026-86554 (1)

Same Patch Batch · ZTE · 2026-09-20 · 5 CVEs total

CVE-2026-86553 8.8 HIGH A password reset vulnerability in ZTE SmartLife APP
CVE-2026-86555 6.2 MEDIUM Hardcoded Key Vulnerability in ZTE SmartLife APP
CVE-2026-86552 5.4 MEDIUM A vulnerability that skips email ownership verification for account registration in ZTE Sm
CVE-2026-86551 3.3 LOW Wi-Fi MAC Address Obtainment by Non-privileged Program Vulnerability in ZTE Z80Ultra (NX74

IV. Related Vulnerabilities

Same product: SmartLife
Same vendor: ZTE
Same weakness: CWE-269

V. Comments for CVE-2026-86554

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