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CVE-2026-5567

Tenda M3 Destination setAdvPolicyData buffer overflow

A flaw has been found in Tenda M3 1.0.0.10. This vulnerability affects the function setAdvPolicyData of the file /goform/setAdvPolicyData of the component Destination Handler. Executing a manipulation of the argument policyType can lead to buffer overflow. The attack can be executed remotely. The exploit has been published and may be used.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
Tenda
Products
M3 M3 Firmware
CVE-2026-5609

Tenda i12 Parameter wifiSSIDset formwrlSSIDset stack-based overflow

A flaw has been found in Tenda i12 1.0.0.11(3862). Affected by this vulnerability is the function formwrlSSIDset of the file /goform/wifiSSIDset of the component Parameter Handler. This manipulation of the argument index/wl_radio causes stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been published and may be used.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
Tenda
Products
I12 I12 Firmware
CVE-2026-5548

Tenda AC10 httpd fromSysToolChangePwd stack-based overflow

A vulnerability was found in Tenda AC10 16.03.10.10_multi_TDE01. Affected by this vulnerability is the function fromSysToolChangePwd of the file /bin/httpd. Performing a manipulation of the argument sys.userpass results in stack-based buffer overflow. The attack can be initiated remotely.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
Tenda
Products
Ac10 Ac10 Firmware
CVE-2026-5547

Tenda AC10 httpd formAddMacfilterRule os command injection

A vulnerability has been found in Tenda AC10 16.03.10.10_multi_TDE01. Affected is the function formAddMacfilterRule of the file /bin/httpd. Such manipulation leads to os command injection. It is possible to launch the attack remotely. Multiple endpoints might be affected.

CVSS 4.0 · 5.3 Medium EPSS 2.1% KEV · Not listed
Vendors
Tenda
Products
Ac10 Ac10 Firmware
CVE-2026-5526

Tenda 4G03 Pro httpd access control

A security flaw has been discovered in Tenda 4G03 Pro up to 1.0/1.1/04.03.01.53/192.168.0.1. Affected by this vulnerability is an unknown functionality of the file /bin/httpd. The manipulation results in improper access controls. The attack may be performed from remote. The exploit has been released to the public and may be used for attacks.

CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed
Vendors
Tenda
Products
4g03 Pro 4g03 Pro Firmware
CVE-2026-5527

Tenda 4G03 Pro ECDSA P-256 Private Key server.key hard-coded key

A weakness has been identified in Tenda 4G03 Pro 1.0/1.0re/01.bin/04.03.01.53. Affected by this issue is some unknown functionality of the file /etc/www/pem/server.key of the component ECDSA P-256 Private Key Handler. This manipulation causes use of hard-coded cryptographic key . It is possible to initiate the attack remotely.

CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed
Vendors
Tenda
Products
4g03 Pro 4g03 Pro Firmware
CVE-2026-5989

Tenda F451 RouteStatic fromRouteStatic stack-based overflow

A flaw has been found in Tenda F451 1.0.0.7. Affected is the function fromRouteStatic of the file /goform/RouteStatic. Executing a manipulation of the argument page can lead to stack-based buffer overflow. The attack can be launched remotely. The exploit has been published and may be used.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
Tenda
Products
F451 F451 Firmware
CVE-2026-5992

Tenda F451 P2pListFilter fromP2pListFilter stack-based overflow

A vulnerability was determined in Tenda F451 1.0.0.7. This affects the function fromP2pListFilter of the file /goform/P2pListFilter. This manipulation of the argument page causes stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
Tenda
Products
F451 F451 Firmware
CVE-2026-6133

Tenda F451 SafeUrlFilter fromSafeUrlFilter stack-based overflow

A vulnerability was identified in Tenda F451 1.0.0.7_cn_svn7958. This affects the function fromSafeUrlFilter of the file /goform/SafeUrlFilter. Such manipulation of the argument page leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
Tenda
Products
F451 F451 Firmware
CVE-2026-6134

Tenda F451 qossetting fromqossetting stack-based overflow

A security flaw has been discovered in Tenda F451 1.0.0.7_cn_svn7958. This vulnerability affects the function fromqossetting of the file /goform/qossetting. Performing a manipulation of the argument qos results in stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
Tenda
Products
F451 F451 Firmware
CVE-2026-6135

Tenda F451 SetIpBind fromSetIpBind stack-based overflow

A weakness has been identified in Tenda F451 1.0.0.7_cn_svn7958. This issue affects the function fromSetIpBind of the file /goform/SetIpBind. Executing a manipulation of the argument page can lead to stack-based buffer overflow. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
Tenda
Products
F451 F451 Firmware
CVE-2026-6136

Tenda F451 L7Im frmL7ImForm stack-based overflow

A security vulnerability has been detected in Tenda F451 1.0.0.7_cn_svn7958. Impacted is the function frmL7ImForm of the file /goform/L7Im. The manipulation of the argument page leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
Tenda
Products
F451 F451 Firmware
CVE-2026-6137

Tenda F451 AdvSetWan fromAdvSetWan stack-based overflow

A vulnerability was detected in Tenda F451 1.0.0.7_cn_svn7958. The affected element is the function fromAdvSetWan of the file /goform/AdvSetWan. The manipulation of the argument wanmode/PPPOEPassword results in stack-based buffer overflow. It is possible to launch the attack remotely. The exploit is now public and may be used.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
Tenda
Products
F451 F451 Firmware
CVE-2026-5550

Tenda AC10 httpd fromSysToolChangePwd stack-based overflow

A vulnerability was identified in Tenda AC10 16.03.10.10_multi_TDE01. This affects the function fromSysToolChangePwd of the file /bin/httpd. The manipulation leads to stack-based buffer overflow. The attack may be initiated remotely. Multiple endpoints might be affected.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
Tenda
Products
Ac10 Ac10 Firmware
CVE-2026-5549

Tenda AC10 RSA 2048-bit Private Key privkeySrv.pem hard-coded key

A vulnerability was determined in Tenda AC10 16.03.10.10_multi_TDE01. Affected by this issue is some unknown functionality of the file /webroot_ro/pem/privkeySrv.pem of the component RSA 2048-bit Private Key Handler. Executing a manipulation can lead to use of hard-coded cryptographic key . The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized.

CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed
Vendors
Tenda
Products
Ac10 Ac10 Firmware
CVE-2026-5685

Tenda CX12L addressNat fromAddressNat stack-based overflow

A vulnerability was identified in Tenda CX12L 16.03.53.12. This affects the function fromAddressNat of the file /goform/addressNat. The manipulation of the argument page leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit is publicly available and might be used.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
Tenda
Products
Cx12l Cx12l Firmware
CVE-2026-5686

Tenda CX12L RouteStatic fromRouteStatic stack-based overflow

A security flaw has been discovered in Tenda CX12L 16.03.53.12. This vulnerability affects the function fromRouteStatic of the file /goform/RouteStatic. The manipulation of the argument page results in stack-based buffer overflow. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
Tenda
Products
Cx12l Cx12l Firmware
CVE-2026-5687

Tenda CX12L NatStaticSetting fromNatStaticSetting stack-based overflow

A weakness has been identified in Tenda CX12L 16.03.53.12. This issue affects the function fromNatStaticSetting of the file /goform/NatStaticSetting. This manipulation of the argument page causes stack-based buffer overflow. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
Tenda
Products
Cx12l Cx12l Firmware
CVE-2026-7033

Tenda F456 SafeClientFilter fromSafeClientFilter buffer overflow

A vulnerability has been found in Tenda F456 1.0.0.5. Affected by this vulnerability is the function fromSafeClientFilter of the file /goform/SafeClientFilter. Such manipulation of the argument menufacturer/Go leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
Tenda
Products
F456 F456 Firmware
CVE-2026-7053

Tenda F456 httpd L7Prot frmL7ProtForm buffer overflow

A security flaw has been discovered in Tenda F456 1.0.0.5. This affects the function frmL7ProtForm of the file /goform/L7Prot of the component httpd. Performing a manipulation of the argument page results in buffer overflow. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
Tenda
Products
F456 F456 Firmware