{"id":"CVE-2025-62777","state":"PUBLISHED","title":"Use of Hard-Coded Credentials issue exists in MZK-DP300N version 1.07 and earlier, which may allow an attacker within the local network to log in to the affected device via Telnet ","description":"Use of Hard-Coded Credentials issue exists in MZK-DP300N version 1.07 and earlier, which may allow an attacker within the local network to log in to the affected device via Telnet and execute arbitrary commands.","publishedAt":"2025-10-28T04:53:00.768Z","updatedAt":"2025-10-28T20:03:14.159Z","severity":{"score":8.7,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","source":"jpcert"},"assigner":"jpcert","products":["PLANEX COMMUNICATIONS INC. MZK-DP300N"],"affected":[{"vendor":"PLANEX COMMUNICATIONS INC.","product":"MZK-DP300N","versions":[{"version":"1.07 and earlier","status":"affected"}]}],"references":["https://www.planex.co.jp/products/mzk-dp300n/","https://jvn.jp/en/jp/JVN00021602/"],"weaknesses":["CWE-798"],"ingestedAt":"2026-10-29T20:09:48.677Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/62xxx/CVE-2025-62777.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-62777","state":"PUBLISHED","datePublished":"2025-10-28T04:53:00.768Z","dateUpdated":"2025-10-28T20:03:14.159Z","assignerShortName":"jpcert","assignerOrgId":"ede6fdc4-6654-4307-a26d-3331c018e2ce","dateReserved":"2025-10-22T09:51:31.094Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Use of Hard-Coded Credentials issue exists in MZK-DP300N version 1.07 and earlier, which may allow an attacker within the local network to log in to the affected device via Telnet and execute arbitrary commands."}],"affected":[{"vendor":"PLANEX COMMUNICATIONS INC.","product":"MZK-DP300N","versions":[{"version":"1.07 and earlier","status":"affected"}]}],"references":[{"url":"https://www.planex.co.jp/products/mzk-dp300n/"},{"url":"https://jvn.jp/en/jp/JVN00021602/"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en-US","value":"GENERAL"}],"cvssV3_0":{"version":"3.0","baseSeverity":"HIGH","baseScore":8.8,"vectorString":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}},{"format":"CVSS","scenarios":[{"lang":"en-US","value":"GENERAL"}],"cvssV4_0":{"version":"4.0","baseSeverity":"HIGH","baseScore":8.7,"vectorString":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-798","description":"Use of hard-coded credentials","lang":"en-US","type":"CWE"}]}],"providerMetadata":{"shortName":"jpcert","orgId":"ede6fdc4-6654-4307-a26d-3331c018e2ce","dateUpdated":"2025-10-28T04:53:00.768Z"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-10-28T20:03:03.733091Z","id":"CVE-2025-62777","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-28T20:03:14.159Z"}}]}}}