{"id":"CVE-2021-25845","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-25845","generatedAt":"2026-10-27T21:19:09.349Z","title":"Improper validation of the ChassisID TLV in userdisk/vport_lldpd in Moxa Camera VPort 06EC-2V Series, version 1.1, allows attackers to cause a denial of service due to a NULL pointer dereference via a crafted lldp packet.","description":"Improper validation of the ChassisID TLV in userdisk/vport_lldpd in Moxa Camera VPort 06EC-2V Series, version 1.1, allows attackers to cause a denial of service due to a NULL pointer dereference via a crafted lldp packet.","published":"2021-05-10T11:15:08.000Z","lastModified":"2026-06-17T03:42:31.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-476"],"affected":["moxa/vport 06ec-2v26m firmware","moxa/vport 06ec-2v36m-t firmware","moxa/vport 06ec-2v36m-ct firmware","moxa/vport 06ec-2v36m-ct-t firmware","moxa/vport 06ec-2v42m firmware","moxa/vport 06ec-2v42m-t firmware","moxa/vport 06ec-2v42m-ct firmware","moxa/vport 06ec-2v42m-ct-t firmware","moxa/vport 06ec-2v60m firmware","moxa/vport 06ec-2v60m-t firmware","moxa/vport 06ec-2v60m-ct firmware","moxa/vport 06ec-2v60m-ct-t firmware","moxa/vport 06ec-2v80m firmware","moxa/vport 06ec-2v80m-t firmware","moxa/vport 06ec-2v80m-ct firmware","moxa/vport 06ec-2v80m-ct-t firmware"],"epss":{"score":0.01017,"percentile":0.63099,"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 (1.02%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://www.moxa.com/en/","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://www.moxa.com/en/support/product-support/security-advisory/vport-06ec-2v-series-ip-cameras-vulnerabilities","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://www.moxa.com/en/","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.moxa.com/en/support/product-support/security-advisory/vport-06ec-2v-series-ip-cameras-vulnerabilities","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-25845","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."}