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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "1.2.0.14(408)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "FH1202", "source": "cna", "vendor": "Tenda"}, "product": "fh1202", "vendor": "tenda"}], "analysis": {"en": {"generated_at": "2026-04-28T19:57:38.795693+00:00", "value": {"mitigation_remediation": ["Flash the router with the latest firmware version released by Tenda that includes a fix for the WrlExtraSet buffer overflow.", "Restrict access to the device\u2019s web management interface by limiting it to a trusted local subnet or disabling remote HTTP access until a patched firmware image is available.", "Configure the device\u2019s firewall or a network ACL to block HTTP requests to the /goform/WrlExtraSet endpoint, preventing exploitation attempts while a patch is pending."], "summary": {"action": "Immediate Patch", "impact": "Remote code execution"}, "threat_synthesis": {"affected_systems": "The vulnerability is identified for the Tenda FH1202 router running firmware 1.2.0.14(408). No other firmware versions or additional products are listed as affected in the available data.", "description_and_impact": "A firmware flaw in the Tenda FH1202 router, version 1.2.0.14(408), allows a malicious client to send a specially crafted HTTP request to the /goform/WrlExtraSet endpoint. The Go parameter passed to the WrlExtraSet function is not properly validated, causing a stack-based buffer overflow (CWE-119 and CWE-121). An attacker can trigger this bug remotely, potentially executing arbitrary code on the device and compromising its confidentiality, integrity, and availability.", "risk_and_exploitability": "The flaw carries a CVSS score of 8.7, indicating high severity. The EPSS score is less than 1%, suggesting a low current exploitation probability, and the vulnerability is not yet catalogued in the CISA KEV list. Nevertheless, a publicly available exploit demonstrates that an attacker can automate the overflow, which makes the risk significant for devices that expose the web management interface to the internet."}}}}, "created": "2026-04-27T18:41:59.095383+00:00", "updated": "2026-04-28T20:00:19.913392+00:00", "vendors": ["tenda", "tenda$PRODUCT$fh1202"]}