{"id":"CVE-2025-34255","aliases":["EUVD-2025-34832","GHSA-fff6-x26h-q5rp"],"status":"published","title":"D-Link Nuclias Connect \u003c= v1.3.1.4 Forgot Password Account Enumeration","description":"D-Link Nuclias Connect firmware versions \u003c= 1.3.1.4 contain an observable response discrepancy vulnerability. The application's 'Forgot Password' endpoint returns distinct JSON responses depending on whether the supplied email address is associated with an existing account. Because the responses differ in the `data.exist` boolean value, an unauthenticated remote attacker can enumerate valid email addresses/accounts on the server. NOTE: D-Link states that a fix is under development.","severity":{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01023,"percentile":0.63909,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-204"],"published":"2025-10-16T18:52:59Z","modified":"2026-10-09T10:10:00Z","products":[{"vendor":"d-link","product":"nuclias connect"},{"vendor":"dlink","product":"nuclias_connect"}],"references":[{"url":"https://www.vulncheck.com/advisories/dlink-nuclias-connect-forgot-password-account-enumeration","tags":["third-party-advisory","Third Party Advisory"]},{"url":"https://www.dlink.com/en/for-business/nuclias/nuclias-connect","tags":["product","Product"]},{"url":"https://supportannouncement.us.dlink.com/security/publication.aspx?name=SAP10472","tags":["vendor-advisory","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-34255"},{"url":"https://github.com/advisories/GHSA-fff6-x26h-q5rp"}],"sources":{"cve":[{"id":"CVE-2025-34255","title":"D-Link Nuclias Connect \u003c= v1.3.1.4 Forgot Password Account Enumeration","description":"D-Link Nuclias Connect firmware versions \u003c= 1.3.1.4 contain an observable response discrepancy vulnerability. The application's 'Forgot Password' endpoint returns distinct JSON responses depending on whether the supplied email address is associated with an existing account. Because the responses differ in the `data.exist` boolean value, an unauthenticated remote attacker can enumerate valid email addresses/accounts on the server. NOTE: D-Link states that a fix is under development.","status":"published","published":"2025-10-16T18:52:59.964Z","modified":"2026-05-25T23:41:31.628Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-204"],"updated_at":"2026-11-02T14:32:54.534202Z"}],"euvd":[{"id":"EUVD-2025-34832","description":"D-Link Nuclias Connect firmware versions \u003c= 1.3.1.4 contain an observable response discrepancy vulnerability. The application's 'Forgot Password' endpoint returns distinct JSON responses depending on whether the supplied email address is associated with an existing account. Because the responses differ in the `data.exist` boolean value, an unauthenticated remote attacker can enumerate valid email addresses/accounts on the server. NOTE: D-Link states that a fix is under development.","status":"published","published":"2025-10-16T18:52:59Z","modified":"2026-05-25T23:41:31Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T18:21:08.174412Z"}],"ghsa":[{"id":"GHSA-fff6-x26h-q5rp","title":"D-Link Nuclias Connect firmware versions \u003c= 1.3.1.4 contain an observable response discrepancy...","description":"D-Link Nuclias Connect firmware versions \u003c= 1.3.1.4 contain an observable response discrepancy vulnerability. The application's 'Forgot Password' endpoint returns distinct JSON responses depending on whether the supplied email address is associated with an existing account. Because the responses differ in the `data.exist` boolean value, an unauthenticated remote attacker can enumerate valid email addresses/accounts on the server. NOTE: D-Link states that a fix is under development.","status":"published","published":"2025-10-16T21:31:15Z","modified":"2025-10-30T18:32:34Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-204"],"updated_at":"2026-11-02T15:04:15.956958Z"}],"nvd":[{"id":"CVE-2025-34255","description":"D-Link Nuclias Connect firmware versions \u003c= 1.3.1.4 contain an observable response discrepancy vulnerability. The application's 'Forgot Password' endpoint returns distinct JSON responses depending on whether the supplied email address is associated with an existing account. Because the responses differ in the `data.exist` boolean value, an unauthenticated remote attacker can enumerate valid email addresses/accounts on the server. NOTE: D-Link states that a fix is under development.","status":"published","published":"2025-10-16T19:15:32.92Z","modified":"2026-10-09T10:10:00.193Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-204"],"updated_at":"2026-11-02T14:11:39.069866Z"}]}}