RCE in Wavlink Wl-Wn570ha1
CVE-2026-7691
A security vulnerability has been detected in Wavlink WL-WN570HA1 R70HA1 V1410_221110. Impacted is the function set_sys_cmd of the file /cgi-bin/adm.cgi. Such manipulation of the argument command leads to command injection. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used. 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: 0.044 (91.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.032 · newest: 0.044 · change: +0.012
Affected products
- Wavlink Wl-Wn570ha1 — versions R70HA1 V1410_221110
- Wavlink Wl-Wn570ha1 Firmware — versions r70ha1_v1410_221110
Weakness classification (CWE)
References
- vuldb.com/vuln/360861 (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/vuln/360861/cti (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/submit/807806 (VDB Entry, Third Party Advisory, third-party-advisory)
- lavender-bicycle-a5a.notion.site/Wavlink-WN570HA1-set_sys_cmd-34753a41781f80ab8… (Exploit, Third Party Advisory, exploit)
Frequently asked questions
- What is CVE-2026-7691?
- CVE-2026-7691 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-2026-7691?
- Medium severity. CVSS v3 base score is 6.3 out of 10.