Vulnerability · Published Mar 7, 2026 · Assigned by VulDB

CVE-2026-3662Wavlink WL-NU516U1 adm.cgi usb_p910 command injection

Medium 4.7

In plain English

A medium-severity command injection in WL-NU516U1 from Wavlink. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 20.3% (higher than 97% of all known vulnerabilities).

Severity (CVSS 3.1)4.7Medium

Exploit odds (30 days)20.3%top 2.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability has been found in Wavlink WL-NU516U1 240425. This vulnerability affects the function usb_p910 of the file /cgi-bin/adm.cgi. Such manipulation of the argument Pr_mode leads to command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure.

Affected products (as reported)

Vendor	Product	Versions
Wavlink	WL-NU516U1	240425

Weakness: CWE-77, CWE-74 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References

VDB-349551 | Wavlink WL-NU516U1 adm.cgi usb_p910 command injection vdb-entry, technical-description
VDB-349551 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
Submit #758228 | wavlink WL-NU516U1-A M16U1_V240425 Command Injection third-party-advisory
https://github.com/jinhao118/cve/blob/main/WAVLINK_2.md exploit