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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "17.0.0cu.557_b20221024"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "A3300R", "source": "cna", "vendor": "Totolink"}, "product": "a3300r", "vendor": "totolink"}], "analysis": {"en": {"generated_at": "2026-03-30T05:21:59.506108+00:00", "value": {"mitigation_remediation": ["Update the router firmware to a version that removes the vulnerable setUPnPCfg function.", "If a firmware update is unavailable, disable the UPnP feature or block web access to /cgi-bin/cstecgi.cgi.", "Configure network firewalls to restrict remote management access to the router.", "Regularly review router logs for suspicious cgi requests and consider enabling logging of command execution attempts."], "summary": {"action": "Apply Patch", "impact": "Remote Command Execution"}, "threat_synthesis": {"affected_systems": "The vulnerability affects the Totolink A3300R router running firmware version 17.0.0cu.557_b20221024. Users of this specific firmware are at risk.", "description_and_impact": "A flaw in the setUPnPCfg function within /cgi-bin/cstecgi.cgi allows an attacker to inject shell commands through the enable parameter. This permits execution of arbitrary commands on the device, potentially compromising confidentiality, integrity, and availability. The weakness is related to improper handling of user input and command construction, identified as CWE\u201174 and CWE\u201177.", "risk_and_exploitability": "The CVSS score of 5.3 indicates a moderate severity, and the public availability of an exploit increases the likelihood of exploitation. While no EPSS score is available and it is not listed in the KEV catalog, the attack vector is remote and does not require local access. An attacker with network reach to the device can send a crafted request to trigger command execution."}}}}, "created": "2026-03-30T06:57:56.893268+00:00", "updated": "2026-03-30T07:03:46.871603+00:00", "vendors": ["totolink", "totolink$PRODUCT$a3300r"]}