{"id":"CVE-2020-25758","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-25758","generatedAt":"2026-10-27T22:26:19.260Z","title":"Insufficient validation of configuration file checksums could allow a remote, authenticated attacker to inject arbitrary crontab entries into saved configurations before uploading.","description":"An issue was discovered on D-Link DSR-250 3.17 devices. Insufficient validation of configuration file checksums could allow a remote, authenticated attacker to inject arbitrary crontab entries into saved configurations before uploading. These entries are executed as root.","published":"2020-12-15T20:15:16.000Z","lastModified":"2026-06-17T03:07:15.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-354"],"affected":["dlink/dsr-150 firmware","dlink/dsr-150n firmware","dlink/dsr-250 firmware","dlink/dsr-250n firmware","dlink/dsr-500 firmware","dlink/dsr-500n firmware","dlink/dsr-500ac firmware","dlink/dsr-1000 firmware","dlink/dsr-1000n firmware","dlink/dsr-1000ac firmware"],"epss":{"score":0.01251,"percentile":0.69217,"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 (1.25%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10195","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://www.digitaldefense.com/news/zero-day-vuln-d-link-vpn-routers/","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.dlink.com/en/security-bulletin","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10195","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.digitaldefense.com/news/zero-day-vuln-d-link-vpn-routers/","tags":["Third Party 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-2020-25758","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."}