CVE-2020-12125

9.8 criticalEPSS 3.6%

Critical (9.8) in wavlink wn530h4 firmware. EPSS 3.6% chance of exploitation in the next 30 days.

A remote buffer overflow vulnerability in the /cgi-bin/makeRequest.cgi endpoint of the WAVLINK WN530H4 M30H4.V5030.190403 allows an attacker to execute arbitrary machine instructions as root without authentication.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 3.6% chance of exploitation in the next 30 days; higher than 89% of CVEs (scores of 2026-10-31)
CWE: CWE-120
Published: 2020-10-02
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

wavlink:wn530h4_firmware

References

https://cerne.xyz/bugs/CVE-2020-12125
https://www.wavlink.com/en_us/product/WL-WN530H4.html
https://cerne.xyz/bugs/CVE-2020-12125
https://www.wavlink.com/en_us/product/WL-WN530H4.html

Check your stack JSON