High severity · published May 10, 2026
CVE-2026-8229
Wavlink NU516U1 wireless.cgi WifiBasic os command injection
8.8
CVSS
8.1%
EPSS
No
On KEV
Description
A vulnerability was detected in Wavlink NU516U1 240425. The affected element is the function WifiBasic of the file /cgi-bin/wireless.cgi. Performing a manipulation of the argument AuthMethod/EncrypType results in os command injection. Remote exploitation of the attack is possible. The exploit is now public and may be used. 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)8.1% · 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
240425 · source: vendor
WF
Wl-nu516u1 Firmware · Wavlink
m16u1_v240425 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-8229
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-8229
Exploit
https://github.com/wudipjq/my_vuln/blob/main/Wavlink/vuln_8/8.md
Third Party Advisory
https://vuldb.com/submit/800734
Third Party Advisory
https://vuldb.com/vuln/362446
Permissions Required
https://vuldb.com/vuln/362446/cti
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