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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,1.7.1 Build 20260213)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "AX53 v1.0", "source": "cna", "vendor": "TP-Link Systems Inc."}, "product": "ax53_v1", "vendor": "tp-link"}], "analysis": {"en": {"generated_at": "2026-04-08T20:05:54.256182+00:00", "value": {"mitigation_remediation": ["Download and install the latest firmware from TP\u2011Link\u2019s support site that addresses the OpenVPN command injection flaw, following the vendor\u2019s installation instructions.", "Verify the firmware version after the update to confirm the vulnerability has been fixed.", "If a patched firmware is unavailable, disable the OpenVPN service or restrict router access to trusted administrators until a fix is released."], "summary": {"action": "Apply Patch", "impact": "Remote Code Execution"}, "threat_synthesis": {"affected_systems": "The issue affects TP\u2011Link Archer AX53 v1.0 and all builds before 1.7.1 Build 20260213. Users should confirm their firmware version against the dates listed on TP\u2011Link\u2019s support site and ensure they are not running earlier builds.", "description_and_impact": "An OS command injection flaw exists in the OpenVPN module of TP\u2011Link Archer AX53 routers. When the firmware processes a specially crafted configuration file, unvalidated input allows an attacker to execute arbitrary system commands. This vulnerability is identified as CWE\u201178, which describes the execution of unintended OS commands due to insufficient input validation. Successful exploitation can overwrite configuration files, reveal sensitive data, or enable further compromise of the device\u2019s functionality.", "risk_and_exploitability": "The flaw carries a CVSS score of 8.5, indicating high severity, and is not listed in the CISA known exploited vulnerabilities catalog. Exploitation requires an authenticated attacker with local network proximity to the router, such as an insider or compromised device on the same LAN. While no publicly available exploits or EPSS data exist, the risk remains significant for attackers with privileged access."}}}}, "created": "2026-04-09T08:18:36.025871+00:00", "updated": "2026-04-09T08:28:01.488745+00:00", "vendors": ["tp-link", "tp-link$PRODUCT$ax53_v1"]}