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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": "2026-04-13T02:21:11.274188+00:00", "value": {"mitigation_remediation": ["Upgrade the router firmware to the latest available version that removes the vulnerable code.", "If a firmware update is not possible, block or restrict access to /cgi-bin/cstecgi.cgi via firewall or router ACLs.", "Revoke unused administrative accounts and enforce strong passwords.", "Segment the network and isolate the router from untrusted segments.", "Monitor logs and network traffic for suspicious command execution attempts."], "summary": {"action": "Immediate Patch", "impact": "Remote Command Execution"}, "threat_synthesis": {"affected_systems": "Totolink A7100RU routers running firmware version 7.4cu.2313_b20191024 are affected; no other versions are listed. Devices exposing the /cgi-bin/cstecgi.cgi endpoint over the network are at risk.", "description_and_impact": "The vulnerability exists in the UploadOpenVpnCert function of /cgi-bin/cstecgi.cgi. Manipulating the FileName parameter allows injection of arbitrary OS commands, leading to remote code execution on the router firmware and compromising confidentiality, integrity, and availability of the device and connected networks. This weakness corresponds to command injection.", "risk_and_exploitability": "The CVSS score of 9.3 indicates critical severity. EPSS data is not available, but the vulnerability is publicly disclosed and can be exploited remotely without authentication. The CVE is not listed in the CISA KEV catalog, yet the combination of high CVSS and exposed command injection makes it a high-priority threat. Attackers can send crafted HTTP requests from anywhere on the network to execute arbitrary commands on the device."}}}}, "created": "2026-04-13T12:38:01.327213+00:00", "updated": "2026-04-13T12:53:49.039981+00:00", "vendors": ["totolink", "totolink$PRODUCT$a7100ru"]}