CVE-2026-30818

HIGH

An OS command injection vulnerability in the dnsmasq module of TP-Link Archer AX53 v1.0 allows an authenticated adjacent attacker to execute arbitrary code when a specially crafted configuration file is processed due to insufficient input validation. Successful exploitation may allow the attacker to modify device configuration, access sensitive information, or further compromise system integrity. This issue affects AX53 v1.0: before 1.7.1 Build 20260213.

CVSS v3.1 Score

8.0
HIGH
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
ADJACENT_NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Published: 4/8/2026Modified: 5/7/2026

Related Intelligence (0)

No articles currently reference this CVE.

References (5)

https://talosintelligence.com/vulnerability_reports/Third Party Advisoryhttps://www.tp-link.com/en/support/download/archer-ax53/v1/#FirmwareProducthttps://www.tp-link.com/my/support/download/archer-ax53/v1/#FirmwareProducthttps://www.tp-link.com/us/support/faq/5055/Vendor Advisoryhttps://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2306