{"id":"CVE-2016-10174","published":"2017-01-30T04:59:00Z","modified":"2026-06-17T00:39:12Z","title":"NETGEAR WNR2000v5 Router Buffer Overflow Vulnerability","vendor":"NETGEAR","product":"WNR2000v5 Router","tier":"core","eol":null,"description":{"text":"The NETGEAR WNR2000v5 router contains a buffer overflow in the hidden_lang_avi parameter when invoking the URL /apply.cgi?/lang_check.html. This buffer overflow can be exploited by an unauthenticated attacker to achieve remote code execution.","provenance":"source","from":"NVD"},"summary":{"text":"The NETGEAR WNR2000v5 Router contains a buffer overflow in the hidden_lang_avi parameter when the URL /apply.cgi?/lang_check.html is invoked. An unauthenticated attacker with network access to the router can exploit it, without any user interaction, to achieve remote code execution.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-30T13:36:11Z"},"cvss":{"score":9.8,"severity":"CRITICAL","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","provenance":"source","from":"NVD"},"epss":{"score":0.83328,"percentile":0.99679,"date":"2026-10-29","provenance":"source"},"kev":{"dateAdded":"2022-03-25","dueDate":"2022-04-15","ransomware":false,"requiredAction":"Apply updates per vendor instructions.","notes":"https://nvd.nist.gov/vuln/detail/CVE-2016-10174","provenance":"source"},"vulncheckKev":{"dateAdded":"2022-03-25","exploitedFirstSeen":"2022-03-25","ransomware":false,"evidence":[{"url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2022-03-25"},{"url":"https://eclypsium.com/blog/vulnerabilities-in-netgear-firmware-based-iot-devices-in-the-enterprise/","date":"2025-07-16"},{"url":"https://www.zscaler.com/resources/industry-reports/threatlabz-mobile-iot-ot-report.pdf","date":"2025-11-05"}],"evidenceTotal":3,"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, 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2026","url":"https://otx.alienvault.com/pulse/6ad38c22e1848f8189d1c121","created":"2026-10-17"}],"provenance":"machine"},"cwes":[{"id":"CWE-120","name":"Buffer Copy without Checking Size of Input"},{"id":"CWE-119","name":"Improper Restriction of Operations within the Bounds of a Memory Buffer"}],"references":[{"url":"http://kb.netgear.com/000036549/Insecure-Remote-Access-and-Command-Execution-Security-Vulnerability","tags":["Vendor Advisory"]},{"url":"http://seclists.org/fulldisclosure/2016/Dec/72","tags":["Exploit","Mailing List","Third Party Advisory","VDB Entry"]},{"url":"http://www.securityfocus.com/bid/95867","tags":["Broken Link","Third Party Advisory","VDB Entry"]},{"url":"https://raw.githubusercontent.com/pedrib/PoC/master/advisories/netgear-wnr2000.txt","tags":["Exploit","Technical Description","Third Party Advisory"]},{"url":"https://www.exploit-db.com/exploits/40949/","tags":["Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://www.exploit-db.com/exploits/41719/","tags":["Exploit","Third Party Advisory","VDB Entry"]},{"url":"http://kb.netgear.com/000036549/Insecure-Remote-Access-and-Command-Execution-Security-Vulnerability","tags":["Vendor Advisory"]},{"url":"http://seclists.org/fulldisclosure/2016/Dec/72","tags":["Exploit","Mailing List","Third Party Advisory","VDB Entry"]},{"url":"http://www.securityfocus.com/bid/95867","tags":["Broken Link","Third Party Advisory","VDB Entry"]},{"url":"https://raw.githubusercontent.com/pedrib/PoC/master/advisories/netgear-wnr2000.txt","tags":["Exploit","Technical Description","Third Party Advisory"]},{"url":"https://www.exploit-db.com/exploits/40949/","tags":["Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://www.exploit-db.com/exploits/41719/","tags":["Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-10174","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: Unauthenticated remote exploit of web interface","mappingType":"exploitation_technique","evidence":[{"from":"description","quote":"This buffer overflow can be exploited by an unauthenticated attacker","start":140,"end":208}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"},{"id":"T1059","name":"Command and Scripting Interpreter","tactics":["execution"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: Overflow yields arbitrary code execution on device","mappingType":"primary_impact","evidence":[{"from":"description","quote":"to achieve remote code execution","start":209,"end":241}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"}],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2016-1361","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2016-1361","exploited":true,"exploitedSince":"2022-03-25","provenance":"source"},"exploits":[{"id":40949,"url":"https://www.exploit-db.com/exploits/40949","title":"Netgear WNR2000v5 - Remote Code Execution","type":"remote","platform":"cgi","date":"2016-12-21","verified":false,"provenance":"source"},{"id":41719,"url":"https://www.exploit-db.com/exploits/41719","title":"Netgear WNR2000v5 - 'hidden_lang_avi' Remote Stack Overflow (Metasploit)","type":"remote","platform":"hardware","date":"2017-03-24","verified":true,"provenance":"source"}],"exploitSources":{"exploitdb":{"count":2,"earliest":"2016-12-21"},"metasploit":[{"name":"NETGEAR WNR2000v5 (Un)authenticated hidden_lang_avi Stack Buffer Overflow","module":"exploit/linux/http/netgear_wnr2000_rce","type":"exploit","disclosureDate":"2016-12-20","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/netgear_wnr2000_rce.rb"}],"first":{"date":"2016-12-20","source":"Metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/netgear_wnr2000_rce.rb"},"provenance":"source"},"exploitRefs":["http://seclists.org/fulldisclosure/2016/Dec/72","https://raw.githubusercontent.com/pedrib/PoC/master/advisories/netgear-wnr2000.txt","https://www.exploit-db.com/exploits/40949/","https://www.exploit-db.com/exploits/41719/"],"flow":[{"stage":"exploitation","techniques":["T1190"],"provenance":"ai"},{"stage":"primary","techniques":["T1059"],"provenance":"ai"}],"timeline":[{"date":"2016-12-20","kind":"exploit-public","label":"First public exploit: Metasploit; later: Exploit-DB 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