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CVE-2026-18587

Wavlink WL-NU516U1 Config Import os command injection

A flaw has been found in Wavlink WL-NU516U1 708c073-mt7628. The impacted element is an unknown function of the component Config Import. Executing a manipulation of the argument Password can lead to os command injection. The attack may be launched remotely. This attack is characterized by high complexity. The exploitability is regarded as difficult. The exploit has been published and may be used. It is advisable to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

CVSS 4.0 · 7.7 High EPSS 2.0% KEV · Not listed
Vendors
Wavlink
Products
Wl-nu516u1 Wl-nu516u1 Firmware
CVE-2026-18589

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

A vulnerability was found in Wavlink WL-NU516U1 708c073-mt7628. This impacts the function change_password of the file nas.cgi. The manipulation of the argument User1Passwd results in stack-based buffer overflow. The attack can be executed remotely. The exploit has been made public and could be used. The affected component should be upgraded. 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 1.1% KEV · Not listed
Vendors
Wavlink
Products
Wl-nu516u1 Wl-nu516u1 Firmware
CVE-2026-18590

Wavlink WL-NU516U1 Admin Password adm.cgi set_sys_adm os command injection

A vulnerability was determined in Wavlink WL-NU516U1 708c073-mt7628. Affected is the function set_sys_adm of the file adm.cgi of the component Admin Password Handler. This manipulation causes os command injection. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized. It is suggested to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

CVSS 4.0 · 5.3 Medium EPSS 1.8% KEV · Not listed
Vendors
Wavlink
Products
Wl-nu516u1 Wl-nu516u1 Firmware
CVE-2026-18588

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

A vulnerability has been found in Wavlink WL-NU516U1 708c073-mt7628. This affects the function fgets of the file nas.cgi. The manipulation of the argument CONTENT_LENGTH leads to stack-based buffer overflow. Remote exploitation of the attack is possible. You should upgrade the affected component. 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 1.1% KEV · Not listed
Vendors
Wavlink
Products
Wl-nu516u1 Wl-nu516u1 Firmware
CVE-2026-15513

Wavlink WL-NU516U1 adm.cgi wlink_uci_set_value os command injection

A security flaw has been discovered in Wavlink WL-NU516U1 260515. This affects the function wlink_uci_set_value of the file /cgi-bin/adm.cgi. Performing a manipulation of the argument lan_ip results in os command injection. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks. You should upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

CVSS 4.0 · 5.3 Medium EPSS 1.8% KEV · Not listed
Vendors
Wavlink
Products
Wl-nu516u1 Wl-nu516u1 Firmware
CVE-2026-13538

Wavlink WL-NU516U1-A POST Parameter wireless.cgi sub_401D68 command injection

A vulnerability was determined in Wavlink WL-NU516U1-A M16U1_V240425. The affected element is the function sub_401D68 of the file /cgi-bin/wireless.cgi of the component POST Parameter Handler. This manipulation of the argument SSID2G2/SSID5G2/AuthMethod2/WPAPSK12 causes command injection. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized. The affected component should be upgraded. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

CVSS 4.0 · 5.3 Medium EPSS 2.2% KEV · Not listed
Vendors
Wavlink
Products
Wl-nu516u1 Wl-nu516u1-a
CVE-2026-13539

Wavlink WL-NU516U1-A POST Parameter wireless.cgi sub_407504 stack-based overflow

A vulnerability was identified in Wavlink WL-NU516U1-A M16U1_V240425. The impacted element is the function sub_407504 of the file /cgi-bin/wireless.cgi of the component POST Parameter Handler. Such manipulation of the argument Guest_ssid leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used. It is suggested to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
Wavlink
Products
Wl-nu516u1-a
CVE-2026-8228

Wavlink NU516U1 wireless.cgi advance os command injection

A security vulnerability has been detected in Wavlink NU516U1 240425. Impacted is the function advance of the file /cgi-bin/wireless.cgi. Such manipulation of the argument wlan_conf/Channel/skiplist/ieee_80211h leads to os command injection. The attack may be launched remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure.

CVSS 4.0 · 5.3 Medium EPSS 7.8% KEV · Not listed
Vendors
Wavlink
Products
Wl-nu516u1 Wl-nu516u1 Firmware
CVE-2026-8227

Wavlink NU516U1 adm.cgi wzdapMesh os command injection

A weakness has been identified in Wavlink NU516U1 240425. This issue affects the function wzdapMesh of the file /cgi-bin/adm.cgi. This manipulation causes os command injection. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure.

CVSS 4.0 · 5.3 Medium EPSS 8.1% KEV · Not listed
Vendors
Wavlink
Products
Wl-nu516u1 Wl-nu516u1 Firmware
CVE-2026-8192

Wavlink NU516U1 adm.cgi wzdap os command injection

A security flaw has been discovered in Wavlink NU516U1 M16U1_V240425. This vulnerability affects the function wzdap of the file /cgi-bin/adm.cgi. Performing a manipulation of the argument EncrypType/wl_Pass is directly passed by the attacker/so we can control the EncrypType/wl_Pass results in os command injection. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure.

CVSS 4.0 · 5.3 Medium EPSS 7.9% KEV · Not listed
Vendors
Wavlink
Products
Wl-nu516u1 Wl-nu516u1 Firmware
CVE-2026-8191

Wavlink NU516U1 adm.cgi wifi_region os command injection

A vulnerability was identified in Wavlink NU516U1 M16U1_V240425. This affects the function wifi_region of the file /cgi-bin/adm.cgi. Such manipulation of the argument skiplist1/skiplist2 leads to os command injection. The attack can be launched remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure.

CVSS 4.0 · 5.3 Medium EPSS 8.7% KEV · Not listed
Vendors
Wavlink
Products
Wl-nu516u1 Wl-nu516u1 Firmware
CVE-2026-8190

Wavlink NU516U1 adm.cgi wan os command injection

A vulnerability was determined in Wavlink NU516U1 M16U1_V240425. Affected by this issue is the function wan of the file /cgi-bin/adm.cgi. This manipulation of the argument ppp_username/ppp_passwd/rwan_ip/rwan_mask/rwan_gateway is directly passed by the attacker/so we can control the ppp_username/ppp_passwd/rwan_ip/rwan_mask/rwan_gateway causes os command injection. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure.

CVSS 4.0 · 5.3 Medium EPSS 8.7% KEV · Not listed
Vendors
Wavlink
Products
Wl-nu516u1 Wl-nu516u1 Firmware
CVE-2026-8189

Wavlink NU516U1 adm.cgi wzdrepeater os command injection

A vulnerability was found in Wavlink NU516U1 M16U1_V240425. Affected by this vulnerability is the function wzdrepeater of the file /cgi-bin/adm.cgi. The manipulation of the argument wlan_bssid/sel_Automode/sel_EncrypTyp results in os command injection. It is possible to launch the attack remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure.

CVSS 4.0 · 5.3 Medium EPSS 7.8% KEV · Not listed
Vendors
Wavlink
Products
Wl-nu516u1 Wl-nu516u1 Firmware
CVE-2026-8188

Wavlink NU516U1 adm.cgi change_wifi_password os command injection

A vulnerability has been found in Wavlink NU516U1 M16U1_V240425. Affected is the function change_wifi_password of the file /cgi-bin/adm.cgi. The manipulation of the argument wl_channel/wl_Pass/EncrypType leads to os command injection. It is possible to initiate 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 · 5.3 Medium EPSS 8.9% KEV · Not listed
Vendors
Wavlink
Products
Wl-nu516u1 Wl-nu516u1 Firmware
CVE-2026-8229

Wavlink NU516U1 wireless.cgi WifiBasic os command injection

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.

CVSS 4.0 · 5.3 Medium EPSS 8.1% KEV · Not listed
Vendors
Wavlink
Products
Wl-nu516u1 Wl-nu516u1 Firmware
CVE-2026-8230

Wavlink NU516U1 login.cgi sys_login1 os command injection

A flaw has been found in Wavlink NU516U1 240425. The impacted element is the function sys_login1 of the file /cgi-bin/login.cgi. Executing a manipulation of the argument ipaddr can lead to os command injection. The attack can be executed remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure.

CVSS 4.0 · 5.3 Medium EPSS 8.1% KEV · Not listed
Vendors
Wavlink
Products
Wl-nu516u1 Wl-nu516u1 Firmware
CVE-2026-4861

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

A weakness has been identified in Wavlink WL-NU516U1 260227. This vulnerability affects the function ftext of the file /cgi-bin/nas.cgi. This manipulation of the argument Content-Length causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
Wavlink
Products
Wl-nu516u1 Wl-nu516u1 Firmware
CVE-2026-4166

Wavlink WL-NU516U1 login.cgi sub_404F68 cross site scripting

A vulnerability was found in Wavlink WL-NU516U1 240425. The impacted element is the function sub_404F68 of the file /cgi-bin/login.cgi. The manipulation of the argument homepage/hostname results in cross site scripting. The attack can be launched remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure.

CVSS 4.0 · 5.1 Medium EPSS < 1% KEV · Not listed
Vendors
Wavlink
Products
Wl-nu516u1 Wl-nu516u1 Firmware
CVE-2026-3704

Wavlink NU516U1 Incomplete Fix CVE-2025-10959 firewall.cgi sub_405B2C command injection

A vulnerability has been found in Wavlink NU516U1 251208. This vulnerability affects the function sub_405B2C of the file /cgi-bin/firewall.cgi of the component Incomplete Fix CVE-2025-10959. The manipulation leads to command injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. It is recommended to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

CVSS 4.0 · 5.1 Medium EPSS 5.6% KEV · Not listed
Vendors
Wavlink
Products
Wl-nu516u1 Wl-nu516u1 Firmware
CVE-2026-2565

Wavlink WL-NU516U1 adm.cgi sub_40785C stack-based overflow

A weakness has been identified in Wavlink WL-NU516U1 20251208. Affected by this issue is the function sub_40785C of the file /cgi-bin/adm.cgi. This manipulation of the argument time_zone causes stack-based buffer overflow. The attack can be initiated remotely. The attack is considered to have high complexity. The exploitation is known to be difficult. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS 4.0 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Wavlink
Products
Wl-nu516u1 Wl-nu516u1 Firmware