Critical severity · published May 3, 2026
CVE-2026-7690
Wavlink WL-WN570HA1 adm.cgi set_sys_adm command injection
9.8
CVSS
5.5%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)5.5% · higher than 93% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WL
WL-WN570HA1 · Wavlink
R70HA1 V1410_221110 · source: vendor
WF
Wl-wn570ha1 Firmware · Wavlink
r70ha1_v1410_221110 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-7690
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-7690
Exploit
https://lavender-bicycle-a5a.notion.site/Wavlink-WN570HA1-set_sys_adm-34753a41781f809d8043f0a7a3e07e50?source=copy_link
Third Party Advisory
https://vuldb.com/submit/807805
Third Party Advisory
https://vuldb.com/vuln/360860
Permissions Required
https://vuldb.com/vuln/360860/cti
More from WL-WN570HA1
6.3
CVE-2026-7692
Wavlink WL-WN570HA1 adm.cgi ping_ddns command injection
6.3
CVE-2026-7691
Wavlink WL-WN570HA1 adm.cgi set_sys_cmd command injection