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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "7.4cu.2313_b20191024"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "A7100RU", "source": "cna", "vendor": "Totolink"}, "product": "a7100ru", "vendor": "totolink"}], "analysis": {"en": {"generated_at": "2026-04-12T23:20:35.005664+00:00", "value": {"mitigation_remediation": ["Apply an up\u2011to\u2011date firmware upgrade that removes the vulnerable cstecgi.cgi entry; check Totolink\u2019s support website for the latest A7100RU firmware.", "If a patch is not yet available, block remote access to /cgi-bin/cstecgi.cgi or disable traceroute configuration functionality via the router\u2019s web interface.", "Monitor the router\u2019s access logs for repeated attempts to send command parameters to setTracerouteCfg and investigate any suspicious activity."], "summary": {"action": "Immediate Patch", "impact": "Remote Command Execution via OS Command Injection"}, "threat_synthesis": {"affected_systems": "The vulnerability affects Totolink A7100RU routers running firmware version 7.4cu.2313_b20191024. No other vendors or products are listed in the CVE record.", "description_and_impact": "The function setTracerouteCfg in /cgi-bin/cstecgi.cgi can be manipulated to inject arbitrary operating system commands, resulting in remote code execution. This flaw maps to CWE-77 and CWE-78 and allows an attacker to compromise confidentiality, integrity, and availability of the device and the network.", "risk_and_exploitability": "The CVSS score of 9.3 indicates critical severity, but an EPSS score is not available and the vulnerability is not listed in the CISA KEV catalog. Public exploit code has been released and the attack vector is remote, enabling attackers to trigger the injection from outside the local network without prior authentication."}}}}, "created": "2026-04-13T12:38:09.566950+00:00", "updated": "2026-04-13T12:53:57.263864+00:00", "vendors": ["totolink", "totolink$PRODUCT$a7100ru"]}