What is CVE-2020-12123?

CVE-2020-12123 is a high-severity vulnerability in Wavlink Wn530h4, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.1/10. Published 2020-10-02.

How severe is CVE-2020-12123?

High severity. CVSS v3 base score is 8.1 out of 10.

CSRF in Wavlink Wn530h4

CVE-2020-12123

CSRF vulnerabilities in the /cgi-bin/ directory of the WAVLINK WN530H4 M30H4.V5030.190403 allow an attacker to remotely access router endpoints, because these endpoints do not contain CSRF tokens. If a user is authenticated in the router portal, then this attack will work.

Vulnerability class: CSRF (Cross-Site Request Forgery)

Published 2020-10-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (34.3th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 34.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Wavlink Wn530h4
Wavlink Wn530h4 Firmware — versions m30h4.v5030.190403

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

References

www.wavlink.com/en_us/product/WL-WN530H4.html (Product, Vendor Advisory)
cerne.xyz/bugs/CVE-2020-12123 (Third Party Advisory)

Frequently asked questions

What is CVE-2020-12123?: CVE-2020-12123 is a high-severity vulnerability in Wavlink Wn530h4, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.1/10. Published 2020-10-02.
How severe is CVE-2020-12123?: High severity. CVSS v3 base score is 8.1 out of 10.