{"id":"CVE-2019-20500","published":"2020-03-05T15:15:11Z","modified":"2026-06-17T02:30:35Z","title":"D-Link DWL-2600AP Access Point Command Injection Vulnerability","vendor":"D-Link","product":"DWL-2600AP Access Point","tier":"core","eol":null,"description":{"text":"D-Link DWL-2600AP 4.2.0.15 Rev A devices have an authenticated OS command injection vulnerability via the Save Configuration functionality in the Web interface, using shell metacharacters in the admin.cgi?action=config_save configBackup or downloadServerip parameter.","provenance":"source","from":"NVD"},"summary":{"text":"A command injection flaw exists in the Save Configuration functionality of the web interface of the D-Link DWL-2600AP Access Point, affecting version 4.2.0.15 Rev A devices. An attacker who holds valid credentials can inject shell metacharacters into the configBackup or downloadServerip parameter of the admin.cgi?action=config_save request to run arbitrary OS commands, and the attack requires only authenticated access to the device's web interface, with no user interaction.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-31T04:54:31Z"},"cvss":{"score":7.8,"severity":"HIGH","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","provenance":"source","from":"NVD"},"epss":{"score":0.96713,"percentile":0.99884,"date":"2026-10-30","provenance":"source"},"kev":{"dateAdded":"2023-06-29","dueDate":"2023-07-20","ransomware":false,"requiredAction":"Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.","notes":"https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10113; https://nvd.nist.gov/vuln/detail/CVE-2019-20500","provenance":"source"},"vulncheckKev":{"dateAdded":"2023-06-22","exploitedFirstSeen":"2023-06-22","ransomware":false,"evidence":[{"url":"https://unit42.paloaltonetworks.com/mirai-variant-targets-iot-exploits/","date":"2023-06-22"},{"url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2023-06-29"}],"evidenceTotal":2,"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-78","name":"Improper Neutralization of Special Elements used in an OS Command"}],"references":[{"url":"https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10113","tags":["Patch","Vendor Advisory"]},{"url":"https://www.exploit-db.com/exploits/46841","tags":["Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10113","tags":["Patch","Vendor Advisory"]},{"url":"https://www.exploit-db.com/exploits/46841","tags":["Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-20500","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: web interface reachable remotely, authenticated injection","mappingType":"exploitation_technique","evidence":[{"from":"description","quote":"authenticated OS command injection vulnerability via the Save Configuration functionality in the Web interface","start":49,"end":159}],"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: shell metacharacters execute arbitrary OS commands","mappingType":"primary_impact","evidence":[{"from":"description","quote":"using shell metacharacters in the admin.cgi?action=config_save configBackup","start":161,"end":236}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"}],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2019-11044","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2019-11044","exploited":true,"exploitedSince":"2023-06-29","provenance":"source"},"exploits":[{"id":46841,"url":"https://www.exploit-db.com/exploits/46841","title":"D-Link DWL-2600AP - Multiple OS Command Injection","type":"webapps","platform":"hardware","date":"2019-05-14","verified":false,"provenance":"source"}],"exploitSources":{"exploitdb":{"count":1,"earliest":"2019-05-14"},"first":{"date":"2019-05-14","source":"Exploit-DB","url":"https://www.exploit-db.com/exploits/46841"},"provenance":"source"},"exploitRefs":["https://www.exploit-db.com/exploits/46841"],"flow":[{"stage":"exploitation","techniques":["T1190"],"provenance":"ai"},{"stage":"primary","techniques":["T1059"],"provenance":"ai"}],"timeline":[{"date":"2019-05-14","kind":"exploit-public","label":"First public exploit: Exploit-DB (EDB-46841)","url":"https://www.exploit-db.com/exploits/46841","provenance":"source"},{"date":"2020-03-05","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2019-20500","provenance":"source"},{"date":"2023-06-22","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://unit42.paloaltonetworks.com/mirai-variant-targets-iot-exploits/","provenance":"source"},{"date":"2023-06-29","kind":"kev","label":"Added to CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","provenance":"source"},{"date":"2023-06-29","kind":"euvd-exploited","label":"ENISA EUVD: exploited","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2019-11044","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":"Exploit-DB","daysToKev":1211},"priority":{"score":68.4,"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 1227 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":19.98,"detail":"percentile 0.9988"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":5.0,"detail":"1 NVD reference tagged Exploit; 1 Exploit-DB entry"},{"name":"Mentioned in OTX pulses","points":3.0,"detail":"50 pulses"},{"name":"CVSS severity","points":5.46,"detail":"base score 7.8"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}