CVE-2026-30815
Published: 08 April 2026
Summary
CVE-2026-30815 is a high-severity OS Command Injection (CWE-78) vulnerability in Tp-Link Archer Ax53 Firmware. Its CVSS base score is 8.0 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Network Device CLI (T1059.008); ranked at the 39.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
The strongest mitigations our analysis identified are NIST 800-53 RA-5 (Vulnerability Monitoring and Scanning) and SI-10 (Information Input Validation).
Threat & Defense at a Glance
Threat & Defense Details
Mitigating Controls (NIST 800-53 r5)AI
Directly addresses the insufficient input validation flaw by requiring checks on OpenVPN configuration file inputs to prevent OS command injection.
Mandates timely identification, reporting, and correction of the specific flaw via firmware updates to version 1.7.1 Build 20260213 or later.
Requires vulnerability scanning to detect CVE-2026-30815 in the TP-Link Archer AX53 and remediate through patching.
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
OS command injection via crafted OpenVPN config directly enables arbitrary system command execution on the network device (T1059.008) and is exploitable by a low-privileged authenticated adjacent attacker to achieve full device compromise (T1068).
NVD Description
An OS command injection vulnerability in the OpenVPN module of TP-Link Archer AX53 v1.0 allows an authenticated adjacent attacker to execute system commands when a specially crafted configuration file is processed due to insufficient input validation. Successful exploitation may allow…
more
modification of configuration files, disclosure of sensitive information, or further compromise of device integrity. This issue affects AX53 v1.0: before 1.7.1 Build 20260213.
Deeper analysisAI
CVE-2026-30815 is an OS command injection vulnerability (CWE-78) in the OpenVPN module of the TP-Link Archer AX53 v1.0 router. The flaw arises from insufficient input validation when processing configuration files, enabling arbitrary command execution. It affects Archer AX53 v1.0 versions prior to firmware 1.7.1 Build 20260213 and carries a CVSS v3.1 base score of 8.0 (AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).
An authenticated adjacent attacker can exploit the vulnerability by providing a specially crafted OpenVPN configuration file for processing. Successful exploitation grants the ability to execute system commands, which may result in modification of configuration files, disclosure of sensitive information, or broader compromise of device integrity.
Mitigation is available through firmware updates from TP-Link, specifically version 1.7.1 Build 20260213 or later for Archer AX53 v1.0, as detailed on the manufacturer's support and download pages for various regions. Further information appears in the Talos Intelligence vulnerability report and a related TP-Link FAQ.
Details
- CWE(s)