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MEDIUM
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
Description
D-Link Nuclias Connect firmware versions <= 1.3.1.4 contain an observable response discrepancy vulnerability. The application's 'Login' endpoint returns distinct JSON responses depending on whether the supplied username is associated with an existing account. Because the responses differ in the `error.message`string value, an unauthenticated remote attacker can enumerate valid usernames/accounts on the server. NOTE: D-Link states that a fix is under development.
Basic Information
ID
CVE-2025-34254
Source
VulnCheck
Published
Oct 16, 2025 at 18:52
Modified
Oct 16, 2025 at 18:53
Affected Product
Vendor
D-Link
Product
Nuclias Connect
Version
*
Affected Versions
D-Link Nuclias Connect *