CVE-2026-2566

Wavlink WL-NU516U1 adm.cgi sub_406194 stack-based overflow

A security vulnerability has been detected in Wavlink WL-NU516U1 up to 130/260. This affects the function sub_406194 of the file /cgi-bin/adm.cgi. Such manipulation of the argument firmware_url leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS 4.0 · 8.6 High EPSS < 1% KEV · Not listed

Vendors

Wavlink

Products

Wl-nu516u1 Wl-nu516u1 Firmware

CVE-2026-2567

Wavlink WL-NU516U1 nas.cgi sub_401218 stack-based overflow

A vulnerability was detected in Wavlink WL-NU516U1 20251208. This vulnerability affects the function sub_401218 of the file /cgi-bin/nas.cgi. Performing a manipulation of the argument User1Passwd results in stack-based buffer overflow. The attack may be initiated remotely. The exploit is now public and may be used.

CVSS 4.0 · 8.6 High EPSS < 1% KEV · Not listed

Vendors

Wavlink

Products

Wl-nu516u1 Wl-nu516u1 Firmware

CVE-2026-2615

Wavlink WL-NU516U1 firewall.cgi singlePortForwardDelete command injection

A flaw has been found in Wavlink WL-NU516U1 up to 20251208. The affected element is the function singlePortForwardDelete of the file /cgi-bin/firewall.cgi. Executing a manipulation of the argument del_flag can lead to command injection. The attack may be launched remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS 4.0 · 8.6 High EPSS 13.2% KEV · Not listed

Vendors

Wavlink

Products

Wl-nu516u1 Wl-nu516u1 Firmware

CVE-2026-3613

Wavlink WL-NU516U1 login.cgi sub_401A0C stack-based overflow

A vulnerability was identified in Wavlink WL-NU516U1 V240425. This vulnerability affects the function sub_401A0C of the file /cgi-bin/login.cgi. Such manipulation of the argument ipaddr leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure.

CVSS 4.0 · 8.6 High EPSS < 1% KEV · Not listed

Vendors

Wavlink

Products

Wl-nu516u1 Wl-nu516u1 Firmware

CVE-2026-3662

Wavlink WL-NU516U1 adm.cgi usb_p910 command injection

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.

CVSS 4.0 · 5.1 Medium EPSS 20.3% KEV · Not listed

Vendors

Wavlink

Products

Wl-nu516u1 Wl-nu516u1 Firmware

CVE-2026-3612

Wavlink WL-NU516U1 OTA Online Upgrade adm.cgi sub_405AF4 command injection

A vulnerability was determined in Wavlink WL-NU516U1 V240425. This affects the function sub_405AF4 of the file /cgi-bin/adm.cgi of the component OTA Online Upgrade. This manipulation of the argument firmware_url causes command injection. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure.

CVSS 4.0 · 8.6 High EPSS 14.3% KEV · Not listed

Vendors

Wavlink

Products

Wl-nu516u1 Wl-nu516u1 Firmware

CVE-2026-3703

Wavlink NU516U1 login.cgi sub_401A10 out-of-bounds write

A flaw has been found in Wavlink NU516U1 251208. This affects the function sub_401A10 of the file /cgi-bin/login.cgi. Executing a manipulation of the argument ipaddr can lead to out-of-bounds write. The attack may be performed from remote. The exploit has been published and may be used. Upgrading the affected component is recommended. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

CVSS 4.0 · 9.3 Critical EPSS < 1% KEV · Not listed

Vendors

Wavlink

Products

Wl-nu516u1 Wl-nu516u1 Firmware

CVE-2026-3661

Wavlink WL-NU516U1 adm.cgi ota_new_upgrade command injection

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.

CVSS 4.0 · 5.1 Medium EPSS 19.7% KEV · Not listed

Vendors

Wavlink

Products

Wl-nu516u1 Wl-nu516u1 Firmware

CVE-2025-10958

Wavlink NU516U1 AddMac wireless.cgi sub_403010 command injection

A flaw has been found in Wavlink NU516U1 M16U1_V240425. Impacted is the function sub_403010 of the file /cgi-bin/wireless.cgi of the component AddMac Page. This manipulation of the argument macAddr causes command injection. Remote exploitation of the attack is possible. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS 4.0 · 5.3 Medium EPSS 5.6% KEV · Not listed

Vendors

Wavlink

Products

Wl-nu516u1 Wl-nu516u1 Firmware

CVE-2025-10959

Wavlink NU516U1 firewall.cgi sub_401778 command injection

A vulnerability has been found in Wavlink NU516U1 M16U1_V240425. The affected element is the function sub_401778 of the file /cgi-bin/firewall.cgi. Such manipulation of the argument dmz_flag leads to command injection. The attack can be executed remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS 4.0 · 5.3 Medium EPSS 6.6% KEV · Not listed

Vendors

Wavlink

Products

Wl-nu516u1 Wl-nu516u1 Firmware

CVE-2025-10960

Wavlink NU516U1 DeleteMac wireless.cgi sub_402D1C command injection

A vulnerability was found in Wavlink NU516U1 M16U1_V240425. The impacted element is the function sub_402D1C of the file /cgi-bin/wireless.cgi of the component DeleteMac Page. Performing manipulation of the argument delete_list results in command injection. The attack is possible to be carried out remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS 4.0 · 5.3 Medium EPSS 5.6% KEV · Not listed

Vendors

Wavlink

Products

Wl-nu516u1 Wl-nu516u1 Firmware

CVE-2025-10961

Wavlink NU516U1 Delete_Mac_list wireless.cgi sub_4030C0 command injection

A vulnerability was determined in Wavlink NU516U1 M16U1_V240425. This affects the function sub_4030C0 of the file /cgi-bin/wireless.cgi of the component Delete_Mac_list Page. Executing manipulation of the argument delete_list can lead to command injection. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS 4.0 · 5.1 Medium EPSS 7.4% KEV · Not listed

Vendors

Wavlink

Products

Wl-nu516u1 Wl-nu516u1 Firmware

CVE-2025-10962

Wavlink NU516U1 SetName wireless.cgi sub_403198 command injection

A vulnerability was identified in Wavlink NU516U1 M16U1_V240425. This impacts the function sub_403198 of the file /cgi-bin/wireless.cgi of the component SetName Page. The manipulation of the argument mac_5g leads to command injection. It is possible to initiate the attack remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS 4.0 · 5.3 Medium EPSS 5.6% KEV · Not listed

Vendors

Wavlink

Products

Wl-nu516u1 Wl-nu516u1 Firmware

CVE-2025-10963

Wavlink NU516U1 firewall.cgi sub_4016F0 command injection

A security flaw has been discovered in Wavlink NU516U1 M16U1_V240425. Affected is the function sub_4016F0 of the file /cgi-bin/firewall.cgi. The manipulation of the argument del_flag results in command injection. It is possible to launch the attack remotely. The exploit has been released to the public and may be exploited. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS 4.0 · 5.3 Medium EPSS 5.6% KEV · Not listed

Vendors

Wavlink

Products

Wl-nu516u1 Wl-nu516u1 Firmware

CVE-2025-10964

Wavlink NU516U1 firewall.cgi sub_401B30 command injection

A weakness has been identified in Wavlink NU516U1. Affected by this vulnerability is the function sub_401B30 of the file /cgi-bin/firewall.cgi. This manipulation of the argument remoteManagementEnabled causes command injection. The attack can be initiated remotely. The exploit has been made available to the public and could be exploited. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS 4.0 · 5.3 Medium EPSS 5.6% KEV · Not listed

Vendors

Wavlink

Products

Wl-nu516u1 Wl-nu516u1 Firmware

CVE-2025-10775

Wavlink WL-NU516U1 login.cgi sub_4012A0 os command injection

A security vulnerability has been detected in Wavlink WL-NU516U1 240425. This vulnerability affects the function sub_4012A0 of the file /cgi-bin/login.cgi. Such manipulation of the argument ipaddr leads to os command injection. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS 4.0 · 5.1 Medium EPSS 16.7% KEV · Not listed

Vendors

Wavlink

Products

Wl-nu516u1 Wl-nu516u1 Firmware

CVE-2025-9149

Wavlink WL-NU516U1 wireless.cgi sub_4032E4 command injection

A vulnerability was determined in Wavlink WL-NU516U1 M16U1_V240425. This impacts the function sub_4032E4 of the file /cgi-bin/wireless.cgi. This manipulation of the argument Guest_ssid causes command injection. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.

CVSS 4.0 · 5.3 Medium EPSS 5.2% KEV · Not listed

Vendors

Wavlink

Products

Wl-nu516u1 Wl-nu516u1 Firmware