Vulnerability in Draytek Corporation Vigor1000b

CVE-2025-10547

An uninitialized variable in the HTTP CGI request arguments processing component of Vigor Routers running DrayOS may allow an attacker the ability to perform RCE on the appliance through memory corruption.

EPSS: 0.006 (44.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

References

Frequently asked questions

What is CVE-2025-10547?
CVE-2025-10547 is a critical-severity vulnerability in Draytek Corporation Vigor1000b, classified under CWE-456: MISSING INITIALIZATION OF A VARIABLE. CVSS score: 9.8/10. Published 2025-10-03.
How severe is CVE-2025-10547?
Critical severity. CVSS v3 base score is 9.8 out of 10.