{"id":"CVE-2016-6277","published":"2016-12-14T16:59:00Z","modified":"2026-06-17T00:50:44Z","title":"NETGEAR Multiple Routers Remote Code Execution Vulnerability","vendor":"NETGEAR","product":"Multiple Routers","tier":"core","eol":null,"description":{"text":"NETGEAR R6250 before 1.0.4.6.Beta, R6400 before 1.0.1.18.Beta, R6700 before 1.0.1.14.Beta, R6900, R7000 before 1.0.7.6.Beta, R7100LG before 1.0.0.28.Beta, R7300DST before 1.0.0.46.Beta, R7900 before 1.0.1.8.Beta, R8000 before 1.0.3.26.Beta, D6220, D6400, D7000, and possibly other routers allow remote attackers to execute arbitrary commands via shell metacharacters in the path info to cgi-bin/.","provenance":"source","from":"NVD"},"summary":{"text":"The flaw is a command injection issue in the cgi-bin path handling of multiple NETGEAR routers, including the R6250, R6400, R6700, R7000, R8000, D6220, D7000 and others, where shell metacharacters in the path info are not sanitised. An attacker with network access can execute arbitrary commands on the device without authentication or user interaction, provided they can reach the router's web interface.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-30T13:36:36Z"},"cvss":{"score":8.8,"severity":"HIGH","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","provenance":"source","from":"NVD"},"epss":{"score":0.99803,"percentile":0.99958,"date":"2026-10-30","provenance":"source"},"kev":{"dateAdded":"2022-03-07","dueDate":"2022-09-07","ransomware":false,"requiredAction":"Apply updates per vendor instructions.","notes":"https://nvd.nist.gov/vuln/detail/CVE-2016-6277","provenance":"source"},"vulncheckKev":{"dateAdded":"2018-03-01","exploitedFirstSeen":"2018-03-01","ransomware":false,"evidence":[{"url":"https://www.virusbulletin.com/virusbulletin/2018/03/vb2017-paper-router-all-evil-more-just-default-passwords-and-silly-scripts/","date":"2018-03-01"},{"url":"https://www.trendmicro.com/en_us/research/18/g/vpnfilter-affected-devices-still-riddled-with-19-vulnerabilities.html","date":"2018-07-13"},{"url":"https://www.trendmicro.com/en_us/research/19/e/new-mirai-variant-uses-multiple-exploits-to-target-routers-and-other-devices.html","date":"2019-05-23"},{"url":"https://web.archive.org/web/20200319160240/https://labs.bitdefender.com/2020/01/hold-my-beer-mirai-spinoff-named-liquorbot-incorporates-cryptomining/","date":"2020-01-08"},{"url":"https://blog.lumen.com/new-mozi-malware-family-quietly-amasses-iot-bots/","date":"2020-04-13"},{"url":"https://securityintelligence.com/posts/botnet-attack-mozi-mozied-into-town/","date":"2020-09-20"},{"url":"https://unit42.paloaltonetworks.com/iot-vulnerabilities-mirai-payloads/","date":"2020-10-14"},{"url":"https://sequretek.com/wp-content/uploads/2018/10/Sequretek-Advisory-Mozi-Botnet.pdf","date":"2020-12-01"},{"url":"https://www.researchgate.net/publication/348602660_An_analysis_of_the_use_of_CVEs_by_IoT_malware","date":"2020-12-01"},{"url":"https://cybersecurity.att.com/blogs/labs-research/att-alien-labs-finds-new-golang-malwarebotenago-targeting-millions-of-routers-and-iot-devices-with-more-than-30-exploits","date":"2021-11-11"}],"evidenceTotal":1076,"provenance":"source"},"exploited":true,"otx":{"pulseCount":50,"pulses":[{"name":"Actively_Exploited_Kev | Oct 29, 2026","url":"https://otx.alienvault.com/pulse/6ae20c1db17e7057ae7d9ad1","created":"2026-10-28"},{"name":"Actively_Exploited_Kev | Oct 28, 2026","url":"https://otx.alienvault.com/pulse/6ae0ba7e0e2a97ff7b218819","created":"2026-10-27"},{"name":"Actively_Exploited_Kev | Oct 27, 2026","url":"https://otx.alienvault.com/pulse/6adf68b85c3e852f3c111d18","created":"2026-10-26"},{"name":"Actively_Exploited_Kev | Oct 24, 2026","url":"https://otx.alienvault.com/pulse/6adb740e397c3ad4799aa4cd","created":"2026-10-23"},{"name":"Actively_Exploited_Kev | Oct 23, 2026","url":"https://otx.alienvault.com/pulse/6ada236fcfba2dfa730ea482","created":"2026-10-22"},{"name":"Actively_Exploited_Kev | Oct 22, 2026","url":"https://otx.alienvault.com/pulse/6ad8d33a077cbb5cab524d80","created":"2026-10-21"},{"name":"Actively_Exploited_Kev | Oct 21, 2026","url":"https://otx.alienvault.com/pulse/6ad78130c4d1ac2be83a8b6d","created":"2026-10-20"},{"name":"Actively_Exploited_Kev | Oct 20, 2026","url":"https://otx.alienvault.com/pulse/6ad62f63c24a405a3423cc13","created":"2026-10-19"},{"name":"Actively_Exploited_Kev | Oct 19, 2026","url":"https://otx.alienvault.com/pulse/6ad4dda174e5797d0bd238b7","created":"2026-10-18"},{"name":"Actively_Exploited_Kev | Oct 18, 2026","url":"https://otx.alienvault.com/pulse/6ad38c22e1848f8189d1c121","created":"2026-10-17"}],"provenance":"machine"},"cwes":[{"id":"CWE-352","name":"Cross-Site Request Forgery"}],"references":[{"url":"http://kb.netgear.com/000036386/CVE-2016-582384","tags":["Patch","Vendor Advisory"]},{"url":"http://packetstormsecurity.com/files/155712/Netgear-R6400-Remote-Code-Execution.html","tags":["Exploit","Third Party Advisory","VDB Entry"]},{"url":"http://www.securityfocus.com/bid/94819","tags":["Broken Link","Third Party Advisory","VDB Entry"]},{"url":"http://www.sj-vs.net/a-temporary-fix-for-cert-vu582384-cwe-77-on-netgear-r7000-and-r6400-routers/","tags":["Broken Link","Mitigation","Third Party Advisory"]},{"url":"https://kalypto.org/research/netgear-vulnerability-expanded/","tags":["Broken Link","Exploit","Third Party Advisory"]},{"url":"https://www.exploit-db.com/exploits/40889/","tags":["Third Party Advisory","VDB Entry"]},{"url":"https://www.exploit-db.com/exploits/41598/","tags":["Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://www.kb.cert.org/vuls/id/582384","tags":["Third Party Advisory","US Government Resource"]},{"url":"http://kb.netgear.com/000036386/CVE-2016-582384","tags":["Patch","Vendor Advisory"]},{"url":"http://packetstormsecurity.com/files/155712/Netgear-R6400-Remote-Code-Execution.html","tags":["Exploit","Third Party Advisory","VDB Entry"]},{"url":"http://www.securityfocus.com/bid/94819","tags":["Broken Link","Third Party Advisory","VDB Entry"]},{"url":"http://www.sj-vs.net/a-temporary-fix-for-cert-vu582384-cwe-77-on-netgear-r7000-and-r6400-routers/","tags":["Broken Link","Mitigation","Third Party Advisory"]},{"url":"https://kalypto.org/research/netgear-vulnerability-expanded/","tags":["Broken Link","Exploit","Third Party Advisory"]},{"url":"https://www.exploit-db.com/exploits/40889/","tags":["Third Party Advisory","VDB Entry"]},{"url":"https://www.exploit-db.com/exploits/41598/","tags":["Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://www.kb.cert.org/vuls/id/582384","tags":["Third Party Advisory","US Government Resource"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-6277","tags":["US Government Resource"]}],"techniques":[{"id":"T1190","name":"Exploit Public-Facing Application","tactics":["initial-access"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: remote unauthenticated request to vulnerable CGI endpoint","mappingType":"exploitation_technique","evidence":[{"from":"description","quote":"allow remote attackers to execute arbitrary commands via shell metacharacters","start":289,"end":366}],"model":"claude-haiku-5-5","confidence":"low","confidenceNote":"needs user interaction; not a public-facing exploit"},{"id":"T1059","name":"Command and Scripting Interpreter","tactics":["execution"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: arbitrary command execution on router","mappingType":"primary_impact","evidence":[{"from":"description","quote":"execute arbitrary commands via shell metacharacters","start":315,"end":366}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"}],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2016-7207","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2016-7207","exploited":true,"exploitedSince":"2022-03-07","provenance":"source"},"exploits":[{"id":40889,"url":"https://www.exploit-db.com/exploits/40889","title":"Netgear R7000 - Command Injection","type":"webapps","platform":"cgi","date":"2016-12-07","verified":true,"provenance":"source"},{"id":41598,"url":"https://www.exploit-db.com/exploits/41598","title":"Netgear R7000 / R6400 - 'cgi-bin' Command Injection (Metasploit)","type":"remote","platform":"cgi","date":"2017-03-13","verified":true,"provenance":"source"},{"id":41598,"url":"https://www.exploit-db.com/exploits/41598","title":"Netgear R7000 / R6400 - 'cgi-bin' Command Injection (Metasploit)","type":"remote","platform":"cgi","date":"2017-03-13","verified":true,"provenance":"source"}],"exploitSources":{"exploitdb":{"count":3,"earliest":"2016-12-07"},"metasploit":[{"name":"Netgear R7000 and R6400 cgi-bin Command Injection","module":"exploit/linux/http/netgear_r7000_cgibin_exec","type":"exploit","disclosureDate":"2016-12-06","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/netgear_r7000_cgibin_exec.rb"}],"nuclei":[{"id":"CVE-2016-6277","name":"NETGEAR Routers - Remote Code Execution","severity":"high","path":"http/cves/2016/CVE-2016-6277.yaml","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2016/CVE-2016-6277.yaml"}],"first":{"date":"2016-12-06","source":"Metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/netgear_r7000_cgibin_exec.rb"},"provenance":"source"},"exploitRefs":["http://packetstormsecurity.com/files/155712/Netgear-R6400-Remote-Code-Execution.html","https://kalypto.org/research/netgear-vulnerability-expanded/","https://www.exploit-db.com/exploits/41598/","https://www.exploit-db.com/exploits/40889/"],"flow":[{"stage":"primary","techniques":["T1059"],"provenance":"ai"},{"stage":"related","techniques":["T1190"],"provenance":"ai","lowConfidence":true}],"timeline":[{"date":"2016-12-06","kind":"exploit-public","label":"First public exploit: Metasploit; later: Exploit-DB 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exploited","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2016-7207","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":"Metasploit","daysToKev":1909},"priority":{"score":69.2,"factors":[{"name":"In a KEV catalog","points":35.0,"detail":"listed in CISA KEV and VulnCheck KEV"},{"name":"Recent KEV listing","points":0.0,"detail":"added 3166 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":19.99,"detail":"percentile 0.9996"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":5.0,"detail":"3 NVD references tagged Exploit; 3 Exploit-DB entries; 1 NVD exploit link; 1 Metasploit module; 1 nuclei template"},{"name":"Mentioned in OTX pulses","points":3.0,"detail":"50 pulses"},{"name":"CVSS severity","points":6.16,"detail":"base score 8.8"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}