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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": "2026-04-13T05:23:03.636698+00:00", "value": {"mitigation_remediation": ["Apply the latest firmware update from Totolink that addresses the setWizardCfg injection flaw.", "If a patch is not yet available, block or disable the /cgi-bin/cstecgi.cgi endpoint using the router\u2019s firewall or access control settings.", "Restrict external access to the router\u2019s management interface and enforce strong authentication.", "Monitor device logs for anomalous command execution patterns or unexpected use of the setWizardCfg interface."], "summary": {"action": "Immediate Patch", "impact": "Remote OS command injection"}, "threat_synthesis": {"affected_systems": "All Totolink A7100RU routers running firmware version 7.4cu.2313_b20191024 are affected. The vulnerability is specific to the CGI Handler element present in these devices.", "description_and_impact": "A flaw in the setWizardCfg function of the /cgi-bin/cstecgi.cgi component allows remote manipulation of the wizard argument to inject and execute arbitrary operating system commands. This leads to complete compromise of the device\u2019s control plane, granting an attacker full administrative privileges. The weakness aligns with OS command injection problems documented as CWE\u201177 and CWE\u201178.", "risk_and_exploitability": "The vulnerability carries a CVSS score of 9.3, indicating critical severity. EPSS data is unavailable, and the vulnerability is not listed in CISA\u2019s KEV catalog, but a public exploit has been released, suggesting the attack vector is remote and exploitable over the network. An attacker can simply send a crafted request to the affected endpoint to execute arbitrary commands, with no local privileges required."}}}}, "created": "2026-04-13T12:37:48.349001+00:00", "updated": "2026-04-13T12:53:35.987959+00:00", "vendors": ["totolink", "totolink$PRODUCT$a7100ru"]}