{"id":"CVE-2021-29379","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-29379","generatedAt":"2026-10-27T22:34:02.114Z","title":"An attacker can perform command injection by injecting a payload into the Search Target (ST) field of the SSDP M-SEARCH discover packet.","description":"An issue was discovered on D-Link DIR-802 A1 devices through 1.00b05. Universal Plug and Play (UPnP) is enabled by default on port 1900. An attacker can perform command injection by injecting a payload into the Search Target (ST) field of the SSDP M-SEARCH discover packet. NOTE: This vulnerability only affects products that are no longer supported by the maintainer","published":"2021-04-12T05:15:13.000Z","lastModified":"2026-06-17T03:47:34.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-78"],"affected":["dlink/dir-802 firmware"],"epss":{"score":0.035,"percentile":0.89084,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (3.50%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://cool-y.github.io/2021/03/02/DIR-802-OS-Command-Injection","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10206","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://www.dlink.com/en/security-bulletin/","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://cool-y.github.io/2021/03/02/DIR-802-OS-Command-Injection","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10206","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.dlink.com/en/security-bulletin/","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-29379","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}