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{"affected": [{"configurations": [{"platform": ["linux"], "status": "affected", "versions": {"scheme": "generic", "value": "[0,1.8.0 Build 260311)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "Archer NX200 v1.0", "source": "cna", "vendor": "TP-Link Systems Inc."}, "product": "archer_nx200_v1.0", "vendor": "tp-link"}, {"configurations": [{"platform": ["linux"], "status": "affected", "versions": {"scheme": "generic", "value": "[0,1.3.0 Build 260311)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "Archer NX200 v2.0", "source": "cna", "vendor": "TP-Link Systems Inc."}, "product": "archer_nx200_v2.0", "vendor": "tp-link"}, {"configurations": [{"platform": ["linux"], "status": "affected", "versions": {"scheme": "generic", "value": "[0,1.3.0 Build 260311)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "Archer NX200 v2.20", "source": "cna", "vendor": "TP-Link Systems Inc."}, "product": "archer_nx200_v2.20", "vendor": "tp-link"}, {"configurations": [{"platform": ["linux"], "status": "affected", "versions": {"scheme": "generic", "value": "[0,1.3.0 Build 260309)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "Archer NX200 v3.0", "source": "cna", "vendor": "TP-Link Systems Inc."}, "product": "archer_nx200_v3.0", "vendor": "tp-link"}, {"configurations": [{"platform": ["linux"], "status": "affected", "versions": {"scheme": "generic", "value": "[0,1.3.0 Build 260311)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "Archer NX210 v2.0 v2.20", "source": "cna", "vendor": "TP-Link Systems Inc."}, "product": "archer_nx210_v2.0_v2.20", "vendor": "tp-link"}, {"configurations": [{"platform": ["linux"], "status": "affected", "versions": {"scheme": "generic", "value": "[0,1.3.0 Build 260309)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "Archer NX210 v3.0", "source": "cna", "vendor": "TP-Link Systems Inc."}, "product": "archer_nx210_v3.0", "vendor": "tp-link"}, {"configurations": [{"platform": ["linux"], "status": "affected", "versions": {"scheme": "generic", "value": "[0,1.3.0 Build 260311)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "Archer NX500 v1.0", "source": "cna", "vendor": "TP-Link Systems Inc."}, "product": "archer_nx500_v1.0", "vendor": "tp-link"}, {"configurations": [{"platform": ["linux"], "status": "affected", "versions": {"scheme": "generic", "value": "[0,1.5.0 Build 260309)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "Archer NX500 v2.0", "source": "cna", "vendor": "TP-Link Systems Inc."}, "product": "archer_nx500_v2.0", "vendor": "tp-link"}, {"configurations": [{"platform": ["linux"], "status": "affected", "versions": {"scheme": "generic", "value": "[0,1.4.0 Build 260311)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "Archer NX600 v1.0", "source": "cna", "vendor": "TP-Link Systems Inc."}, "product": "archer_nx600_v1.0", "vendor": "tp-link"}, {"configurations": [{"platform": ["linux"], "status": "affected", "versions": {"scheme": "generic", "value": "[0,1.3.0 Build 260311)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "Archer NX600 v2.0", "source": "cna", "vendor": "TP-Link Systems Inc."}, "product": "archer_nx600_v2.0", "vendor": "tp-link"}, {"configurations": [{"platform": ["linux"], "status": "affected", "versions": {"scheme": "generic", "value": "[0,1.3.0 Build 260309)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "Archer NX600 v3.0", "source": "cna", "vendor": "TP-Link Systems Inc."}, "product": "archer_nx600_v3.0", "vendor": "tp-link"}], "analysis": {"en": {"generated_at": "2026-04-01T03:52:41.192284+00:00", "value": {"mitigation_remediation": ["Apply the latest firmware update released by TP\u2011Link for each affected model", "If a patch is not yet available, block external access to the vulnerable CGI endpoints or disable the HTTP management interface from WAN", "Verify that all management interfaces enforce authentication and use secure channels", "Monitor router logs for unauthenticated HTTP requests or firmware upload attempts", "Implement network segmentation to isolate router traffic from critical network segments"], "summary": {"action": "Immediate Patch", "impact": "Privilege escalation via authentication bypass"}, "threat_synthesis": {"affected_systems": "Vulnerable models include TP\u2011Link Archer NX200 (v1.0 through v3.0), Archer NX210 (v2.0 through v3.0), Archer NX500 (v1.0 v2.0), and Archer NX600 (v1.0 v2.0 v3.0). All affected units expose the susceptible HTTP endpoints in their current firmware.", "description_and_impact": "A missing authentication check in the TP\u2011Link Archer NX series HTTP server creates an authorization bypass (CWE\u2011306). This flaw allows unauthenticated users to reach CGI endpoints intended for privileged management, enabling actions such as firmware uploads and configuration changes. The resulting compromise can modify device behavior, replace firmware with malicious code, and disrupt network services, affecting confidentiality, integrity, and availability.", "risk_and_exploitability": "The CVSS score of 8.6 marks this as high risk. EPSS is below 1\u202f% and the vulnerability is not listed in CISA\u2019s KEV catalogue, indicating low current exploitation activity. Attackers can exploit it with simple HTTP requests over the local or internet\u2011facing interface, requiring no credentials. Successful exploitation grants full control over the device, including firmware replacement and configuration manipulation."}}}}, "created": "2026-03-24T10:33:30.499100+00:00", "updated": "2026-04-02T07:59:28.336647+00:00", "vendors": ["tp-link", "tp-link$PRODUCT$archer_nx200_v1.0", "tp-link$PRODUCT$archer_nx200_v2.0", "tp-link$PRODUCT$archer_nx200_v2.20", "tp-link$PRODUCT$archer_nx200_v3.0", "tp-link$PRODUCT$archer_nx210_v2.0_v2.20", "tp-link$PRODUCT$archer_nx210_v3.0", "tp-link$PRODUCT$archer_nx500_v1.0", "tp-link$PRODUCT$archer_nx500_v2.0", "tp-link$PRODUCT$archer_nx600_v1.0", "tp-link$PRODUCT$archer_nx600_v2.0", "tp-link$PRODUCT$archer_nx600_v3.0"]}