{"id":"CVE-2021-20132","aliases":["EUVD-2021-7589","GHSA-8v3c-9hr5-hqm7"],"status":"published","title":"Quagga Services on D-Link DIR-2640 less than or equal to version 1.11B02 use default hard-coded...","description":"Quagga Services on D-Link DIR-2640 less than or equal to version 1.11B02 use default hard-coded credentials, which can allow a remote attacker to gain administrative access to the zebra or ripd those services. Both are running with root privileges on the router (i.e., as the \"admin\" user, UID 0).","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.0443,"percentile":0.91443,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-798"],"published":"2021-12-30T21:30:59Z","modified":"2026-06-17T03:33:19Z","products":[{"vendor":"dlink","product":"dir-2640-us_firmware"}],"references":[{"url":"https://www.tenable.com/security/research/tra-2021-44","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-20132"},{"url":"https://github.com/advisories/GHSA-8v3c-9hr5-hqm7"}],"sources":{"cve":[{"id":"CVE-2021-20132","description":"Quagga Services on D-Link DIR-2640 less than or equal to version 1.11B02 use default hard-coded credentials, which can allow a remote attacker to gain administrative access to the zebra or ripd those services. Both are running with root privileges on the router (i.e., as the \"admin\" user, UID 0).","status":"published","published":"2021-12-30T21:30:59Z","modified":"2024-08-03T17:30:07.307Z","updated_at":"2026-11-02T14:32:55.564736Z"}],"euvd":[{"id":"EUVD-2021-7589","description":"Quagga Services on D-Link DIR-2640 less than or equal to version 1.11B02 use default hard-coded credentials, which can allow a remote attacker to gain administrative access to the zebra or ripd those services. Both are running with root privileges on the router (i.e., as the \"admin\" user, UID 0).","status":"published","published":"2021-12-30T21:30:59Z","modified":"2024-08-03T17:30:07Z","updated_at":"2026-11-03T03:25:09.841069Z"}],"ghsa":[{"id":"GHSA-8v3c-9hr5-hqm7","title":"Quagga Services on D-Link DIR-2640 less than or equal to version 1.11B02 use default hard-coded...","description":"Quagga Services on D-Link DIR-2640 less than or equal to version 1.11B02 use default hard-coded credentials, which can allow a remote attacker to gain administrative access to the zebra or ripd those services. Both are running with root privileges on the router (i.e., as the \"admin\" user, UID 0).","status":"published","published":"2021-12-31T00:00:37Z","modified":"2023-02-03T05:03:39Z","cwes":["CWE-798"],"updated_at":"2026-11-02T14:53:24.247018Z"}],"nvd":[{"id":"CVE-2021-20132","description":"Quagga Services on D-Link DIR-2640 less than or equal to version 1.11B02 use default hard-coded credentials, which can allow a remote attacker to gain administrative access to the zebra or ripd those services. Both are running with root privileges on the router (i.e., as the \"admin\" user, UID 0).","status":"published","published":"2021-12-30T22:15:07.863Z","modified":"2026-06-17T03:33:19.637Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":8.3,"vector":"AV:A/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-798"],"updated_at":"2026-11-02T14:07:02.977492Z"}]}}