Critical (9.1). EPSS 0.7% chance of exploitation in the next 30 days.
Stack-based buffer overflow vulnerability in WAVLINK QUANTUM D3G/WL-WN530HG3 firmware M30HG3_V240730, and possibly other wavlink models allows attackers to execute arbitrary code via crafted referrer value POST to login.cgi.
Severity
CVSS 3.1
9.1 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
EPSS
0.7% chance of exploitation in the next 30 days; higher than 54% of CVEs (scores of 2026-10-31)