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DrayTek vulnerabilities in CISA KEV

DrayTek has 5 vulnerabilities in CISA's catalogue of flaws known to be exploited, the 44th highest of any vendor. none were added in the last 12 months; none are linked to known ransomware use (0% of its entries, against 20.4% across the catalogue). CISA's median fix window for these entries is 21 days (range 21 to 181), against 21 days (range 1 to 184) across the whole catalogue. The most exploited product is Multiple Vigor Routers, with 2 entries. Other frequently affected products: VigorConnect (2); Vigor Routers (1).

Catalog v2026.11.04, released 5 Nov 2026. Source CISA ↗. All KEV entries.

$ ./kev --vendor draytek --summary

Counts are computed from the catalog release on ; the 12 month window ends there.

┌─ total entries

5

in CISA KEV

┌─ first added

2021-11-03

earliest entry

┌─ latest added

2025-05-15

most recent entry

┌─ last 12 months

0

entries added

┌─ ransomware use

0 of 5

0% linked to ransomware

┌─ distinct products

3

affected products

$ awk -F, {print $1} /var/log/kev/draytek.log | uniq -c

Entries by the year CISA added them.

Year Entries added Of which ransomware
2021 1 0
2024 3 0
2025 1 0

$ sort /var/log/kev/draytek.log | uniq -c | sort -rn | head -5

The five products with the most entries in the catalogue.

  1. Multiple Vigor Routers 2 entries
  2. VigorConnect 2 entries
  3. Vigor Routers 1 entry

$ kev-due-dates --vendor draytek

Days between the date CISA added an entry and the due date it set, median and range. Due dates apply to US federal agencies; for everyone else they are a patch-first ranking signal.

┌─ DrayTek

21 days (range 21 to 181)

median and range in days

┌─ whole catalogue

21 days (range 1 to 184)

median and range in days

$ grep -o 'CWE-[0-9]*' /var/log/kev/draytek.log | sort | uniq -c | sort -rn | head -3

Weakness types CISA records for these entries (5 of 5 have at least one CWE).

$ grep -ril 'DrayTek' /var/log/news | head -5

Our reporting that names DrayTek or one of its KEV CVE ids, newest first.

┌─ /var/log/news

grep: no news story mentions DrayTek yet

Patch Week pages with these entries

No Patch Week page covers this vendor yet.

$ wc -l ./draytek.kev · 5 rows

Descriptions: CISA Known Exploited Vulnerabilities catalogue

  1. CVE-2024-12987

    Vigor Routers

    DrayTek Vigor Routers OS Command Injection Vulnerability

    due 2025-06-05 · CWE-78

    $ cat CVE-2024-12987.txt

    Description. DrayTek Vigor2960, Vigor300B, and Vigor3900 routers contain an OS command injection vulnerability due to an unknown function of the file /cgi-bin/mainfunction.cgi/apmcfgupload of the component web management interface.

    Required action. Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

  2. CVE-2020-15415

    Multiple Vigor Routers

    DrayTek Multiple Vigor Routers OS Command Injection Vulnerability

    due 2024-10-21 · CWE-78

    $ cat CVE-2020-15415.txt

    Description. DrayTek Vigor3900, Vigor2960, and Vigor300B devices contain an OS command injection vulnerability in cgi-bin/mainfunction.cgi/cvmcfgupload that allows for remote code execution via shell metacharacters in a filename when the text/x-python-script content type is used.

    Required action. Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

  3. CVE-2021-20123

    VigorConnect

    Draytek VigorConnect Path Traversal Vulnerability

    due 2024-09-24 · CWE-22

    $ cat CVE-2021-20123.txt

    Description. Draytek VigorConnect contains a path traversal vulnerability in the DownloadFileServlet endpoint. An unauthenticated attacker could leverage this vulnerability to download arbitrary files from the underlying operating system with root privileges.

    Required action. Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

  4. CVE-2021-20124

    VigorConnect

    Draytek VigorConnect Path Traversal Vulnerability

    due 2024-09-24 · CWE-22

    $ cat CVE-2021-20124.txt

    Description. Draytek VigorConnect contains a path traversal vulnerability in the file download functionality of the WebServlet endpoint. An unauthenticated attacker could leverage this vulnerability to download arbitrary files from the underlying operating system with root privileges.

    Required action. Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

  5. CVE-2020-8515

    Multiple Vigor Routers

    Multiple DrayTek Vigor Routers Web Management Page Vulnerability

    due 2022-05-03 · CWE-78

    $ cat CVE-2020-8515.txt

    Description. DrayTek Vigor3900, Vigor2960, and Vigor300B routers contain an unspecified vulnerability that allows for remote code execution.

    Required action. Apply updates per vendor instructions.