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CVE-2026-30817— Arbitrary File Reading Vulnerability in dnsmasq Module in TP-Link AX53

Quick assessment

Affected
TP-Link Systems Inc. AX53 v1.0
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.

TP-Link Archer AX53是中国普联（TP-Link）公司的一款双拼路由器。 TP-Link Archer AX53 v1.0 1.7.1 Build 20260213之前版本存在安全漏洞，该漏洞源于OpenVPN模块外部配置控制问题，可能导致经过身份验证的邻近攻击者在处理恶意配置文件时读取任意文件。

AI Predicted 6.5 Difficulty: Easy EPSS 0.34% · P27

Affected Version Matrix 1

VendorProduct Version RangeStatus
TP-Link Systems Inc. AX53 v1.0 < 1.7.1 Build 20260213 affected
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I. Basic Information for CVE-2026-30817

Vulnerability Information
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Vulnerability Title
Arbitrary File Reading Vulnerability in dnsmasq Module in TP-Link AX53
Source: CVE Program / CVE List V5
Vulnerability Description
An external configuration control vulnerability in the OpenVPN module of TP-Link AX53 v1.0 allows an authenticated adjacent attacker to read arbitrary files when a malicious configuration file is processed. Successful exploitation may allow unauthorized access to arbitrary files on the device, potentially exposing sensitive information.This issue affects AX53 v1.0: before 1.7.1 Build 20260213.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
系统设置或配置在外部可控制
Source: CVE Program / CVE List V5
Vulnerability Title
TP-Link Archer AX53 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TP-Link Archer AX53是中国普联（TP-Link）公司的一款双拼路由器。 TP-Link Archer AX53 v1.0 1.7.1 Build 20260213之前版本存在安全漏洞，该漏洞源于OpenVPN模块外部配置控制问题，可能导致经过身份验证的邻近攻击者在处理恶意配置文件时读取任意文件。
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
TP-Link Systems Inc. AX53 v1.0 0 ~ 1.7.1 Build 20260213 -

II. Public POCs for CVE-2026-30817

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III. Intelligence Information for CVE-2026-30817

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Vendor Advisories for CVE-2026-30817 (1)

Same Patch Batch · TP-Link Systems Inc. · 2026-04-08 · 5 CVEs total

CVE-2026-30816 Arbitrary File Reading Vulnerability in OpenVPN Module in TP-Link AX53
CVE-2026-30818 OS Command Injection Vulnerability in dnsmasq Module in TP-Link AX53
CVE-2026-30815 OS Command Injection Vulnerability in OpenVPN Module in TP-Link AX53
CVE-2026-30814 Buffer Overflow Vulnerability in TP-Link AX53

IV. Related Vulnerabilities

Same product: AX53 v1.0
Same vendor: TP-Link Systems Inc.
Same weakness: CWE-15

V. Comments for CVE-2026-30817

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