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CVE-2026-84852— Reader Tools PDF Reader App File ActSplashNew.handleDeeplink path traversal

Quick assessment

Affected
Reader Tools PDF Reader 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.

Reader Tools PDF Reader App是Reader Tools公司的一款PDF文档阅读软件。 Reader Tools PDF Reader App 98.8版本存在路径遍历漏洞，该漏洞源于File Handler组件中ActSplashNew.handleDeeplink函数对参数_display_name操作，可能导致路径遍历攻击。

CVSS 4.4 · Medium EPSS 0.21% · P11

Possible ATT&CK Techniques 1 AI

T1079

Affected Version Matrix 1

VendorProduct Version RangeStatus
Reader Tools PDF Reader App 98.8 affected
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I. Basic Information for CVE-2026-84852

Vulnerability Information
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Vulnerability Title
Reader Tools PDF Reader App File ActSplashNew.handleDeeplink path traversal
Source: CVE Program / CVE List V5
Vulnerability Description
A security vulnerability has been detected in Reader Tools PDF Reader App 98.8 on Android. The affected element is the function ActSplashNew.handleDeeplink of the component File Handler. The manipulation of the argument _display_name leads to path traversal. An attack has to be approached locally. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
Reader Tools PDF Reader App 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Reader Tools PDF Reader App是Reader Tools公司的一款PDF文档阅读软件。 Reader Tools PDF Reader App 98.8版本存在路径遍历漏洞，该漏洞源于File Handler组件中ActSplashNew.handleDeeplink函数对参数_display_name操作，可能导致路径遍历攻击。
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
Reader Tools PDF Reader App 98.8 cpe:2.3:a:reader_tools:pdf_reader_app:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-84852

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III. Intelligence Information for CVE-2026-84852

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Other References for CVE-2026-84852 (4)

IV. Related Vulnerabilities

Same weakness: CWE-22

V. Comments for CVE-2026-84852

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