CVE-2026-30817

Arbitrary File Reading Vulnerability in dnsmasq Module in TP-Link AX53

6.8 Medium

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.

Attack profile

How easy it is to exploit

Attack vector: Adjacent network
Complexity: Low
Privileges needed: High
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: None
Availability: None

Exploit likelihood

0.36%Up 0.3 points since Apr 9, 2026

What each source reports

CVE List Score used 6.8

Arbitrary File Reading Vulnerability in dnsmasq Module in TP-Link AX53

Record: CVE-2026-30817
CVSS 4.0: 6.8 MediumCVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Weakness: CWE-15
Updated: 2026-11-02

EUVDEUVD-2026-20548 6.8

Record: EUVD-2026-20548
CVSS 4.0: 6.8 MediumCVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-wmw7-jpm9-rmff 6.8

An external configuration control vulnerability in the OpenVPN module of TP-Link AX53 v1.0 allows...

Record: GHSA-wmw7-jpm9-rmff
CVSS 4.0: 6.8 MediumCVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 5.7 MediumCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-15, CWE-610
Updated: 2026-11-02

NVD 6.8

Record: CVE-2026-30817
CVSS 4.0: 6.8 MediumCVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 5.7 MediumCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-15, CWE-610
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-30817 is a medium vulnerability (CVSS 6.8) in Tp-link Systems Inc. Ax53 V1.0, published April 8, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.36%, the 29th percentile. No source names a fixed version.