RCE in Wavlink Wl-Wn570ha1

CVE-2026-7690

A weakness has been identified in Wavlink WL-WN570HA1 R70HA1 V1410_221110. This issue affects the function set_sys_adm of the file /cgi-bin/adm.cgi. This manipulation of the argument Username causes command injection. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. Once again the vendors acted very professional and confirms, "that the WN570HA1 firmware version R70HA1 V1410_221110 has been removed from our website." This vulnerability only affects products that are no longer supported by the maintainer.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.060 (93.1th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 93.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-7690: rose from 0.050 to 0.060.

EPSS over last 30 days · oldest: 0.050 · newest: 0.060 · change: +0.010

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-7690?
CVE-2026-7690 is a medium-severity vulnerability in Wavlink Wl-Wn570ha1, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2026-05-03.
How severe is CVE-2026-7690?
Medium severity. CVSS v3 base score is 6.3 out of 10.