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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.00.10"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "F9K1015", "source": "cna", "vendor": "Belkin"}, "product": "f9k1015", "vendor": "belkin"}], "analysis": {"en": {"generated_at": "2026-04-06T05:20:43.295701+00:00", "value": {"mitigation_remediation": ["Check Belkin\u2019s official support site for a firmware update that addresses the formReboot overflow.", "If an updated firmware is not available, upgrade the device to a newer, non\u2011vulnerable model if possible.", "Configure network perimeter devices to block or rate\u2011limit access to the /goform/formReboot endpoint on the device.", "Monitor the device for unusual reboot activity or unexpected firmware changes.", "Maintain backups of critical configuration data prior to any firmware changes so that settings can be restored if needed."], "summary": {"action": "Immediate Patch", "impact": "Remote Code Execution"}, "threat_synthesis": {"affected_systems": "The flaw exists in Belkin\u2019s F9K1015 home networking device with firmware version 1.00.10. Only this specific firmware build is known to be affected, as indicated by the vendor\u2019s product identification and the referenced CPE string.", "description_and_impact": "A stack-based buffer overflow occurs in the formReboot function when the webpage argument is manipulated. This flaw allows an attacker to corrupt the device\u2019s stack, potentially leading to the execution of arbitrary code. The vulnerability can be triggered from a remote location because the vulnerable endpoint is accessible over the network. The presence of a publicly available exploit increases the risk that attackers could successfully target vulnerable devices.", "risk_and_exploitability": "The CVSS score of 8.7 indicates a high severity, and the lack of an EPSS value does not diminish the seriousness of potential exploitation. The vulnerability is not listed in the CISA KEV catalog, but because the attack vector is remote and exploits are publicly available, the likelihood that attackers will target affected devices is significant. Due to the vendor\u2019s lack of response, there is no official patch currently available, further increasing the security gap."}}}}, "created": "2026-04-06T20:21:42.795406+00:00", "updated": "2026-04-06T21:47:33.486063+00:00", "vendors": ["belkin", "belkin$PRODUCT$f9k1015"]}