CVE-2026-30817

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

MEDIUM
5.7
CVSS Score
Published: April 8, 2026 at 05:53 PM UTC
Updated: July 25, 2026 at 11:21 AM UTC
3 products affected across 1 vendorArcher AX53 FirmwareArcher AX53Link Archer AX53

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Severity
MEDIUM5.7
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 1.7.1
Affected range stops below 1.7.1, so it looks safe — our inference, not a vendor statement
tp-link-archer-ax53 (same device)
v < 1.7.1 Build 20260213
Affected range stops below 1.7.1 Build 20260213, so it looks safe — our inference, not a vendor statement
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
ADJACENT_NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-15CWE-610

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