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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "1.0.0.7"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "F451", "source": "cna", "vendor": "Tenda"}, "product": "f451", "vendor": "tenda"}], "analysis": {"en": {"generated_at": "2026-04-12T08:50:45.821050+00:00", "value": {"mitigation_remediation": ["Apply the latest firmware update from Tenda that patches the DhcpListClient buffer overflow.", "If a firmware update is not yet available, disable remote web management or restrict access to the HTTP interface using firewall rules or network segmentation.", "After applying the update or restriction, monitor the device for abnormal activity such as unexpected processes or outbound connections.", "Verify the authenticity of any firmware before installation by checking vendor\u2011provided checksums or signatures."], "summary": {"action": "Immediate Patch", "impact": "Remote Stack\u2011Based Buffer Overflow"}, "threat_synthesis": {"affected_systems": "The vulnerability targets Tenda F451 routers with firmware version 1.0.0.7. The affected component is the HTTP server\u2019s DhcpListClient handler exposed through the web management interface.", "description_and_impact": "A stack\u2011based buffer overflow exists in the fromDhcpListClient function of the httpd component on Tenda F451 routers running firmware 1.0.0.7. By sending a specially crafted page parameter to the /goform/DhcpListClient endpoint, an attacker can corrupt the stack and may be able to execute arbitrary code on the device. The flaw is identified by CWE\u2011119 and CWE\u2011121.", "risk_and_exploitability": "The CVSS base score of 8.7 classifies the issue as high severity. The EPSS score is unavailable and the vulnerability is not listed in CISA\u2019s KEV catalog, yet a public exploit has been disclosed. The attack can be launched remotely via the web interface, which could potentially lead to code execution on the device and compromise the device or its network."}}}}, "created": "2026-04-13T12:41:32.400351+00:00", "updated": "2026-04-13T12:56:12.195863+00:00", "vendors": ["tenda", "tenda$PRODUCT$f451"]}