CVE-2026-3661

MEDIUM 4.7

Wavlink WL-NU516U1 adm.cgi ota_new_upgrade command injection

CVSS Score

4.7

EPSS Score

0.0%

EPSS Percentile

0th

A flaw has been found in Wavlink WL-NU516U1 240425. This affects the function ota_new_upgrade of the file /cgi-bin/adm.cgi. This manipulation of the argument model causes command injection. It is possible to initiate the attack remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure.

CWE	CWE-77 CWE-74
Vendor	wavlink
Product	wl-nu516u1
Published	Mar 7, 2026
Last Updated	Mar 11, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Wavlink / WL-NU516U1

240425

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/?id.349550 vuldb.com: https://vuldb.com/?ctiid.349550 vuldb.com: https://vuldb.com/?submit.758227 github.com: https://github.com/jinhao118/cve/blob/main/WAVLINK_1.md

Credits

🔍 allanp0e (VulDB User) VulDB