High severity · published May 9, 2026
CVE-2026-8192
Wavlink NU516U1 adm.cgi wzdap os command injection
8.8
CVSS
7.9%
EPSS
No
On KEV
Description
A security flaw has been discovered in Wavlink NU516U1 M16U1_V240425. This vulnerability affects the function wzdap of the file /cgi-bin/adm.cgi. Performing a manipulation of the argument EncrypType/wl_Pass is directly passed by the attacker/so we can control the EncrypType/wl_Pass results in os command injection. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)7.9% · higher than 95% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NU
NU516U1 · Wavlink
M16U1_V240425 · source: vendor
WF
Wl-nu516u1 Firmware · Wavlink
m16u1_v240425 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-8192
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-8192
Exploit
https://github.com/wudipjq/my_vuln/blob/main/Wavlink/vuln_5/5.md
Third Party Advisory
https://vuldb.com/submit/800731
Third Party Advisory
https://vuldb.com/vuln/362344
Permissions Required
https://vuldb.com/vuln/362344/cti
More from NU516U1
9.8
CVE-2026-3703
Wavlink NU516U1 login.cgi sub_401A10 out-of-bounds write
8.8
CVE-2026-8230
Wavlink NU516U1 login.cgi sys_login1 os command injection
8.8
CVE-2026-8229
Wavlink NU516U1 wireless.cgi WifiBasic os command injection
8.8
CVE-2026-8228
Wavlink NU516U1 wireless.cgi advance os command injection
8.8
CVE-2026-8227
Wavlink NU516U1 adm.cgi wzdapMesh os command injection