Vulnerability Snapshot
CVE-2016-1558 is rated CRITICAL — exploitation is trivial or already observed in the wild and impact is severe. Patch immediately, not on the next maintenance window.
Affected technology: dap-3662_firmware, dap-3662, dap-2310_firmware, dap-2310, dap-2330_firmware, plus 5 other product variants.
Executive Summary
Buffer overflow in D-Link DAP-2310 2.06 and earlier, DAP-2330 1.06 and earlier, DAP-2360 2.06 and earlier, DAP-2553 H/W ver. B1 3.05 and earlier, DAP-2660 1.11 and earlier, DAP-2690 3.15 and earlier, DAP-2695 1.16 and earlier, DAP-3320 1.00 and earlier, and DAP-3662 1.01 and earlier allows remote attackers to have unspecified impact via a crafted 'dlink_uid' cookie.
Why It Matters
CVE-2016-1558 is rated CRITICAL severity, requiring immediate attention from security teams.
CVSS Base Score: 9.8/10
Affected Technologies
Vendors: dlink
Products: dap-3662_firmware, dap-3662, dap-2310_firmware, dap-2310, dap-2330_firmware, dap-2330, dap-2360_firmware, dap-2360, dap-2553_firmware, dap-2553, dap-2660_firmware, dap-2660, dap-2690_firmware, dap-2690, dap-2695_firmware, dap-2695, dap-3320_firmware, dap-3320, dap-2230_firmware, dap-2230
🛡️What Defenders Should Check
Use Vulnios to continuously monitor your exposure to CVE-2016-1558 and similar vulnerabilities.
References & Sources
How Vulnios Detects This
Vulnios scans for this vulnerability using Trivy and Grype for SBOM-based CVE matching and Vulnios CVE feed continuous monitoring against your asset inventory. Run a scan against your environment to see whether you are exposed; findings are linked back to the original CVE record so triage starts with the patch path already known.
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Affected Products
Sources
Related Threat Alerts
- Critical Vulnerability: CVE-2017-11436 — dlink — dir-615
- Critical Vulnerability: CVE-2017-7405 — dlink — dir-615
- Critical Vulnerability: CVE-2017-7406 — dlink — dir-615
- Critical Vulnerability: CVE-2017-6205 — dlink — websmart_dgs-1510_series_firmware, websmart_dgs-1510-20
- Critical Vulnerability: CVE-2016-10177 — dlink — dwr-932b_firmware, dwr-932b
- Critical Vulnerability: CVE-2016-10182 — dlink — dwr-932b_firmware, dwr-932b
Frequently Asked Questions
What is CVE-2016-1558?
CVE-2016-1558 is a critical-severity vulnerability tracked under the Common Vulnerabilities and Exposures program. Buffer overflow in D-Link DAP-2310 2.06 and earlier, DAP-2330 1.06 and earlier, DAP-2360 2.06 and earlier, DAP-2553 H/W ver. B1 3.05 and earlier, DAP-2660 1.11 and earlier, DAP-2690 3.15 and earlier,
Am I affected?
Check whether your environment runs dap-3662_firmware, dap-3662, dap-2310_firmware, dap-2310, dap-2330_firmware. If you operate any of those, treat yourself as in scope until you have evidence otherwise. A Vulnios scan will identify the exact assets carrying the affected version.
How urgent is the response?
Critical: do not wait for your normal patch cycle. Verify exposure today, apply the vendor patch immediately, and add detection rules for any post-exploit indicators.
How do I remediate?
Apply the vendor patch listed in the upstream advisory linked under Sources. If the patch is not yet available, follow the vendor-supplied workaround (often a config flag or feature disable) and add detections for the published exploit pattern in your SIEM. Re-scan after the patch lands to confirm the finding clears.
Where can I track exploitation activity?
Watch CISA's Known Exploited Vulnerabilities catalog for CVE-2016-1558. Cross-reference with public exploit databases and your own SIEM/IDS for indicator-of-compromise patterns. Vulnios tracks KEV status automatically and surfaces it on the asset findings view.
How does Vulnios help with this?
Vulnios continuously cross-references your asset inventory against the live CVE feed (NVD, vendor advisories, CISA KEV, and curated OSINT). When a new CVE matches your environment, you get a prioritized finding with the severity, KEV status, exploit-prediction (EPSS), and a direct path to the vendor patch. You can start a free scan from the homepage.
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