PT-2026-23856 · Wavlink · Wavlink Wl-Nu516U1

Allanp0E + 1 · CVE-2026-3662 · Published 2026-02-14 · Updated 2026-03-10

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Wavlink WL-NU516U1 version 240425

Description A command injection issue exists in the usb p910 function of the /cgi-bin/adm.cgi file. Manipulation of the Pr mode argument can lead to remote command execution. The exploit has been publicly disclosed.

Recommendations Apply updates to address the vulnerability in the usb p910 function of the /cgi-bin/adm.cgi file. As a temporary workaround, restrict access to the /cgi-bin/adm.cgi file. Avoid using the Pr mode parameter in the affected API endpoint until the issue is resolved.

Exploit

Fix

Special Elements Injection

Command Injection

Weakness Enumeration

CWE-74

CWE-77

Related Identifiers

BDU:2026-09616

CVE-2026-3662

Affected Products

Wavlink Wl-Nu516U1

References · 13

• 🔥 https://github.com/jinhao118/cve/blob/main/WAVLINK_2.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-3662 · Security Note
• https://osv.dev/vulnerability/CVE-2026-3662 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-09616 · Security Note
• https://t.me/CVEtracker/46723 · Telegram Post
• https://t.me/cveNotify/154981 · Telegram Post
• https://vuldb.com/?submit.758228 · Note
• https://twitter.com/cyberbivash/status/2030317522088513952 · Twitter Post
• https://twitter.com/CVEnew/status/2030339318552957159 · Twitter Post
• https://t.me/cveNotify/154588 · Telegram Post
• https://vuldb.com/?id.349551 · Note
• https://vuldb.com/?ctiid.349551 · Note
• https://twitter.com/VulmonFeeds/status/2030291183746818513 · Twitter Post