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CVE-2026-108503— Unauthorized information acquisition vulnerability in ZTE Z80 Ultra product

Quick assessment

Affected
ZTE Z80 Ultra
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.

中兴Z80 Ultra存在接口权限验证漏洞。系统提供的可调用函数缺乏足够的访问控制。攻击者可以利用这些函数读取相关信息。

CVSS 3.3 · Low

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System
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I. Basic Information for CVE-2026-108503

Vulnerability Information
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Vulnerability Title
Unauthorized information acquisition vulnerability in ZTE Z80 Ultra product
Source: CVE Program / CVE List V5
Vulnerability Description
ZTE Z80 Ultra has an interface permission validation vulnerability. The callable functions provided by the system lack sufficient access control. An attacker can leverage these functions to read relevant information.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
缺省权限不正确
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
ZTE Z80 Ultra GEN_ZTE_PQ85A01V1.0.0B27 and prior released versions -

II. Public POCs for CVE-2026-108503

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III. Intelligence Information for CVE-2026-108503

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Other References for CVE-2026-108503 (1)

Same Patch Batch · ZTE · 2026-10-10 · 5 CVEs total

CVE-2026-108501 5.7 MEDIUM Unauthorized access vulnerability in ZTE Z80 Ultra product
CVE-2026-108504 5.5 MEDIUM Unauthorized information retrieval vulnerability in ZTE Z80 Ultra product
CVE-2026-108502 3.3 LOW Information disclosure vulnerability in ZTE Z80 Ultra product
CVE-2026-108505 3.3 LOW Information disclosure vulnerability in ZTE Z80 Ultra product

IV. Related Vulnerabilities

Same product: Z80 Ultra
Same vendor: ZTE
Same weakness: CWE-276

V. Comments for CVE-2026-108503

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