CVE intelligence and bounded remediation

CVE-2016-10699 — Dlink Dsl-2740E Firmware security vulnerability

Medium CVSS 6.1

D-Link DSL-2740E 1.00_BG_20150720 devices are prone to persistent XSS attacks in the username and password fields: a remote unauthenticated user may craft logins and passwords with script tags in them. Because there is no sanitization in the input fields, an unaware logged-in administrator may be a victim when checking the router logs.

Severity
Medium
CVSS
6.1 (3.0)
Published
2017-10-31
CISA KEV
Not currently listed
Ecosystem
operating-system
Weaknesses
CWE-79

Affected products

  • dlink / dsl-2740e_firmware / 1.00_bg_20150720

Matched remediation archetype

Cross-site scripting and unsafe browser output

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Check exposure

  • Trace reflected, stored, and DOM-derived untrusted values into HTML, attributes, URLs, styles, scripts, and client-side template sinks.
  • Identify affected origins, authenticated user roles, sensitive browser capabilities, and where content is shared across tenants.
  • Review framework escaping, rich-text sanitization, legacy templates, and client-side rendering paths.

Remediate safely

  • Use context-aware framework output encoding and safe DOM APIs; keep untrusted data out of executable contexts.
  • Sanitize intentionally supported markup with a maintained allowlist policy and validate URLs and attributes separately.
  • Update affected rendering components and add tests for every output context using inert sentinel markup.

Authoritative sources

Complete CVE record and remediation plan

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