CVE intelligence and bounded remediation
CVE-2026-23754 — D-Link D-View 8 versions 2.0.1.107 and below contain an improper access control vulnerability in backend API endpoints
D-Link D-View 8 versions 2.0.1.107 and below contain an improper access control vulnerability in backend API endpoints. Any authenticated user can supply an arbitrary user_id value to retrieve sensitive credential data belonging to other users, including super administrators. The exposed credential material can be reused directly as a valid authentication secret, allowing full impersonation of the targeted account. This results in complete account takeover and full administrative control over the D-View system.
- Severity
- High
- CVSS
- 8.8 (3.1)
- Published
- 2026-01-21
- CISA KEV
- Not currently listed
- Ecosystem
- software/application
- Weaknesses
- CWE-639
Affected products
- dlink / d-view_8
Matched remediation archetype
Authorization bypass, IDOR, and cross-tenant access
This catalog composition supplies bounded fallback guidance. Explicitly reviewed curated workflows load with the complete record below.
Check exposure
- Map object and action authorization checks across API, UI, batch, import/export, and background-job paths.
- Identify tenant, ownership, role, and policy boundaries for affected resources and administrative operations.
- Use synthetic fixtures to compare intended access matrices without accessing another user's real data.
Remediate safely
- Enforce server-side authorization at each resource access and state transition using the authenticated principal and trusted tenant context.
- Scope data queries by tenant and ownership; treat client-supplied identifiers, roles, and policy claims as untrusted.
- Add deny-by-default policy tests for horizontal and vertical access across every affected transport.
Authoritative sources
Complete CVE record and remediation plan
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