Vulnerability · Published May 10, 2026 · Assigned by VulDB

CVE-2026-8229Wavlink NU516U1 wireless.cgi WifiBasic os command injection

Medium 6.3

In plain English

A medium-severity OS command injection in NU516U1 from Wavlink. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 8.1% (higher than 95% of all known vulnerabilities).

Severity (CVSS 3.1)6.3Medium

Exploit odds (30 days)8.1%top 5.2% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
Wavlink	NU516U1	240425

Weakness: CWE-78, CWE-77 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References

VDB-362446 | Wavlink NU516U1 wireless.cgi WifiBasic os command injection vdb-entry, technical-description
VDB-362446 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
Submit #800734 | Wavlink NU516U1 M16U1_V240425 Command Injection third-party-advisory
https://github.com/wudipjq/my_vuln/blob/main/Wavlink/vuln_8/8.md exploit