Vendor History

Firewalls, VPNs and routers

DrayTek security incident history

Updated . Data gathered daily from official public sources.

As of Oct 26, 2026, Vendor History found 5 actively exploited security flaws for DrayTek, dated Nov 3, 2021 to May 15, 2025. Sources checked: the California and Washington Attorney General breach lists and CISA's Known Exploited Vulnerabilities catalog.

Breach notices and SEC cyber filings

None found in the sources we check.

Got a breach letter from DrayTek? What to do when a vendor has a data breach.

Actively exploited security flaws

Flaws in DrayTek products that CISA lists as exploited by attackers. If you use an affected product, check that it's updated. What a listing means.

  1. Exploited flaw

    DrayTek Vigor Routers OS Command Injection Vulnerability (CVE-2024-12987). Added to CISA's list of security flaws known to be exploited by attackers.

    Source: CISA Known Exploited Vulnerabilities catalog

  2. Exploited flaw

    DrayTek Multiple Vigor Routers OS Command Injection Vulnerability (CVE-2020-15415). Added to CISA's list of security flaws known to be exploited by attackers.

    Source: CISA Known Exploited Vulnerabilities catalog

  3. Exploited flaw

    Draytek VigorConnect Path Traversal Vulnerability (CVE-2021-20123). Added to CISA's list of security flaws known to be exploited by attackers.

    Source: CISA Known Exploited Vulnerabilities catalog

  4. Exploited flaw

    Draytek VigorConnect Path Traversal Vulnerability (CVE-2021-20124). Added to CISA's list of security flaws known to be exploited by attackers.

    Source: CISA Known Exploited Vulnerabilities catalog

  5. Exploited flaw

    Multiple DrayTek Vigor Routers Web Management Page Vulnerability (CVE-2020-8515). Added to CISA's list of security flaws known to be exploited by attackers.

    Source: CISA Known Exploited Vulnerabilities catalog

We check: California and Washington Attorney General breach notices, SEC cyber incident filings (Form 8-K, Item 1.05) and CISA's catalog of actively exploited security flaws. An empty section means we found nothing in those sources. It does not mean nothing happened. How it works

To cite: Vendor History, "DrayTek security incident history," vendorhistory.com/vendor/draytek, data checked Oct 26, 2026. Free to reuse under CC BY 4.0 with credit to Vendor History.