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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "1.0.0.3"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "F453", "source": "cna", "vendor": "Tenda"}, "product": "f453", "vendor": "tenda"}], "analysis": {"en": {"generated_at": "2026-04-16T04:07:00.332855+00:00", "value": {"mitigation_remediation": ["Update the router to a firmware version that removes the stack-based overflow in the /goform/WrlExtraSet endpoint; check the vendor\u2019s support site for a patch or new release.", "Configure network segmentation or firewall rules to block or restrict inbound traffic to the router\u2019s web management interface, especially to the /goform/WrlExtraSet endpoint.", "Monitor device logs for repeated, malformed requests to /goform/WrlExtraSet and investigate any suspicious activity promptly."], "summary": {"action": "Apply Patch", "impact": "Remote Code Execution"}, "threat_synthesis": {"affected_systems": "Tenda F453 router running firmware version 1.0.0.3. No additional versions are currently known to be affected.", "description_and_impact": "A stack-based buffer overflow exists in the Tenda F453 firmware 1.0.0.3, triggered by manipulation of the GO parameter on the /goform/WrlExtraSet endpoint. The overflow can be exploited remotely to execute arbitrary code, leading to full control of the device. The vulnerability has been publicly disclosed and may be used by attackers.", "risk_and_exploitability": "The CVSS score of 8.7 indicates a high-impact flaw with high severity. EPSS indicates a very low, but non-zero, exploitation probability of less than 1 percent. The vulnerability is not listed in CISA\u2019s KEV catalog. Exploitation is possible over a remote network, likely via the router\u2019s web interface, and would allow an attacker to achieve remote code execution on the device."}}}}, "created": "2026-03-09T10:02:44.635528+00:00", "updated": "2026-04-16T04:15:24.076749+00:00", "vendors": ["tenda", "tenda$PRODUCT$f453"]}