CVE-2026-30818

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 8.0 HIGH

8.0^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.1 / Impact : 5.9

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

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

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:tp-link:archer_ax53_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:tp-link:archer_ax53:1.0:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-04-08 19:25

Updated : 2026-07-25 11:10

NVD link : CVE-2026-30818

Mitre link : CVE-2026-30818

CVE.ORG link : CVE-2026-30818

JSON object : View

Products Affected

tp-link

archer_ax53_firmware
archer_ax53

CWE

CWE-78

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

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