What is CVE-2023-38861?

CVE-2023-38861 is a critical-severity vulnerability in Wavlink Wl-Wn575a3, classified under Command Injection. CVSS score: 9.8/10. Published 2023-08-15.

How severe is CVE-2023-38861?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Wavlink Wl-Wn575a3

CVE-2023-38861

An issue in Wavlink WL_WNJ575A3 v.R75A3_V1410_220513 allows a remote attacker to execute arbitrary code via username parameter of the set_sys_adm function in adm.cgi.

Vulnerability class: Command Injection (OS Command Injection)

Published 2023-08-15 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.016 (75.5th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 75.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000

Affected products

Wavlink Wl-Wn575a3
Wavlink Wl-Wn575a3 Firmware — versions r75a3_v1410_220513

Weakness classification (CWE)

CWE-77 — Command Injection

References

github.com/TTY-flag/my_iot_vul/tree/main/WAVLINK/WL-WN575A3 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-38861?: CVE-2023-38861 is a critical-severity vulnerability in Wavlink Wl-Wn575a3, classified under Command Injection. CVSS score: 9.8/10. Published 2023-08-15.
How severe is CVE-2023-38861?: Critical severity. CVSS v3 base score is 9.8 out of 10.