{"id":"CVE-2016-20017","published":"2022-10-19T05:15:08Z","modified":"2026-06-17T00:43:05Z","title":"D-Link DSL-2750B Devices Command Injection Vulnerability","vendor":"D-Link","product":"DSL-2750B Devices","tier":"core","eol":null,"description":{"text":"D-Link DSL-2750B devices before 1.05 allow remote unauthenticated command injection via the login.cgi cli parameter, as exploited in the wild in 2016 through 2022.","provenance":"source","from":"NVD"},"summary":{"text":"The D-Link DSL-2750B devices, before firmware version 1.05, contain a command injection flaw in the login.cgi handler, where the cli parameter is not properly neutralised. An attacker with network access to the device can send a crafted request without authenticating or any user interaction, enabling arbitrary command execution on the device.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-29T08:31:43Z"},"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":0.65777,"percentile":0.99264,"date":"2026-10-28","provenance":"source"},"kev":{"dateAdded":"2024-01-08","dueDate":"2024-01-29","ransomware":false,"requiredAction":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","notes":"https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10088; https://nvd.nist.gov/vuln/detail/CVE-2016-20017","provenance":"source"},"vulncheckKev":{"dateAdded":"2018-06-15","exploitedFirstSeen":"2018-06-15","ransomware":false,"evidence":[{"url":"https://blog.netlab.360.com/botnets-never-die-satori-refuses-to-fade-away-en/","date":"2018-06-15"},{"url":"https://www.welivesecurity.com/wp-content/uploads/2022/10/eset_threat_report_t22022.pdf","date":"2022-10-05"},{"url":"https://www.cve.org/CVERecord?id=CVE-2016-20017","date":"2022-10-19"},{"url":"https://www.microsoft.com/en-us/security/blog/2022/12/21/microsoft-research-uncovers-new-zerobot-capabilities/","date":"2022-12-21"},{"url":"https://www.welivesecurity.com/wp-content/uploads/2023/02/eset_threat_report_t32022.pdf","date":"2023-02-08"},{"url":"https://cujo.com/blog/the-2022-2023-iot-botnet-report-vulnerabilities-targeted/","date":"2023-04-27"},{"url":"https://cujo.com/the-2022-2023-iot-botnet-report-vulnerabilities-targeted/","date":"2023-04-27"},{"url":"https://www.fortinet.com/blog/threat-research/Iz1h9-campaign-enhances-arsenal-with-scores-of-exploits","date":"2023-10-09"},{"url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2024-01-08"},{"url":"https://go.catonetworks.com/rs/245-RJK-441/images/CATO_CTRL_Report_Q3_2024.pdf","date":"2024-11-20"}],"evidenceTotal":12,"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-77","name":"Improper Neutralization of Special Elements used in a Command"}],"references":[{"url":"https://seclists.org/fulldisclosure/2016/Feb/53","tags":["Exploit","Mailing List","Third Party Advisory"]},{"url":"https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10088","tags":["Patch","Vendor Advisory"]},{"url":"https://www.exploit-db.com/exploits/44760","tags":["Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://seclists.org/fulldisclosure/2016/Feb/53","tags":["Exploit","Mailing List","Third Party Advisory"]},{"url":"https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10088","tags":["Patch","Vendor Advisory"]},{"url":"https://www.exploit-db.com/exploits/44760","tags":["Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-20017","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 via public web interface","mappingType":"exploitation_technique","evidence":[{"from":"description","quote":"remote unauthenticated command injection via the login.cgi cli parameter","start":43,"end":115}],"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: Command injection yields OS command execution","mappingType":"primary_impact","evidence":[{"from":"description","quote":"remote unauthenticated command injection via the login.cgi cli parameter","start":43,"end":115}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"}],"reports":[{"id":"SRC-b3ea000916d84bc1c41a","title":"Microsoft research uncovers new Zerobot capabilities","publisher":"microsoft.com","url":"http://www.microsoft.com/en-us/security/blog/2022/12/21/microsoft-research-uncovers-new-zerobot-capabilities/","date":null,"mentions":[{"quote":"Microsoft researchers have also identified that previous reports have used the vulnerability ID “ZERO-32906” for CVE-2018-20057, “GPON” for CVE-2018-10561, and “DLINK” for CVE-2016-20017; and that CVE-2020-7209 was mislabeled as CVE-2017-17106 and CVE-2022-42013 was mislabeled as CVE-2021-42013.","start":4825,"end":5121},{"quote":"CVE-2016-20017","start":11971,"end":11985}]}],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2016-3105","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2016-3105","exploited":true,"exploitedSince":"2024-01-08","provenance":"source"},"exploits":[],"exploitSources":{"metasploit":[{"name":"D-Link DSL-2750B OS Command Injection","module":"exploit/linux/http/dlink_dsl2750b_exec_noauth","type":"exploit","disclosureDate":"2016-02-05","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/dlink_dsl2750b_exec_noauth.rb"}],"first":{"date":"2016-02-05","source":"Metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/dlink_dsl2750b_exec_noauth.rb"},"provenance":"source"},"exploitRefs":["https://seclists.org/fulldisclosure/2016/Feb/53","https://www.exploit-db.com/exploits/44760"],"flow":[{"stage":"exploitation","techniques":["T1190"],"provenance":"ai"},{"stage":"primary","techniques":["T1059"],"provenance":"ai"}],"timeline":[{"date":"2016-02-05","kind":"exploit-public","label":"First public exploit: Metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/dlink_dsl2750b_exec_noauth.rb","provenance":"source"},{"date":"2018-06-15","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://blog.netlab.360.com/botnets-never-die-satori-refuses-to-fade-away-en/","provenance":"source"},{"date":"2022-10-19","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2016-20017","provenance":"source"},{"date":"2024-01-08","kind":"kev","label":"Added to CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","provenance":"source"},{"date":"2024-01-08","kind":"euvd-exploited","label":"ENISA EUVD: exploited","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2016-3105","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":"Metasploit","daysToKev":446},"priority":{"score":73.6,"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 3058 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":19.85,"detail":"percentile 0.9926"},{"name":"Named in threat reports","points":3.87,"detail":"1 report"},{"name":"Public exploit code","points":5.0,"detail":"2 NVD references tagged Exploit; 1 Metasploit module"},{"name":"Mentioned in OTX pulses","points":3.0,"detail":"50 pulses"},{"name":"CVSS severity","points":6.86,"detail":"base score 9.8"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}