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CVE-2026-3167

Tenda F453 httpd webtypelibrary formWebTypeLibrary buffer overflow

A security flaw has been discovered in Tenda F453 1.0.0.3. The impacted element is the function formWebTypeLibrary of the file /goform/webtypelibrary of the component httpd. Performing a manipulation of the argument webSiteId results in buffer overflow. The attack may be initiated 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
F453 F453 Firmware
CVE-2026-3271

Tenda F453 httpd P2pListFilterof fromP2pListFilter buffer overflow

A vulnerability was found in Tenda F453 1.0.0.3. This impacts the function fromP2pListFilter of the file /goform/P2pListFilterof of the component httpd. The manipulation of the argument page results in buffer overflow. The attack may be launched remotely. The exploit has been made public and could be used.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
Tenda
Products
F453 F453 Firmware
CVE-2026-3275

Tenda F453 httpd addressNat fromAddressNat buffer overflow

A weakness has been identified in Tenda F453 1.0.0.3. This affects the function fromAddressNat of the file /goform/addressNat of the component httpd. Executing a manipulation of the argument entrys can lead to 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
F453 F453 Firmware
CVE-2026-3378

Tenda F453 qossetting fromqossetting buffer overflow

A flaw has been found in Tenda F453 1.0.0.3. This affects the function fromqossetting of the file /goform/qossetting. Executing a manipulation of the argument qos can lead to 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
F453 F453 Firmware
CVE-2026-3400

Tenda AC15 TextEditingConversion stack-based overflow

A security flaw has been discovered in Tenda AC15 up to 15.13.07.13. Affected by this issue is some unknown functionality of the file /goform/TextEditingConversion. The manipulation of the argument wpapsk_crypto2_4g results in stack-based buffer overflow. The attack may 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
Ac15 Ac15 Firmware
CVE-2026-24109

Buffer Overflow in Tenda W20E W20E Router via picName Parameter

An issue was discovered in Tenda W20E V4.0br_V15.11.0.6. Attackers may exploit the vulnerability by controlling the value of `picName`. When this value is used in `sprintf` without validating variable sizes, it could lead to a buffer overflow vulnerability.

CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Vendors
Tenda
Products
W20e W20e Firmware
CVE-2026-24105

Command Injection in Tenda AC15 via Unchecked Form Parameter

An issue was discovered in goform/formsetUsbUnload in Tenda AC15V1.0 V15.03.05.18_multi. The value of `v1` was not checked, potentially leading to a command injection vulnerability if injected into doSystemCmd.

CVSS 3.1 · 9.8 Critical EPSS 2.0% KEV · Not listed
Vendors
Tenda
Products
Ac15 Ac15 Firmware
CVE-2026-24108

Buffer Overflow in Tenda W20E Firmware via Improper Size Validation

An issue was discovered in Tenda W20E V4.0br_V15.11.0.6. Attackers may exploit the vulnerability by controlling the value of `nptr`. When this value is passed into the `getMibPrefix` function and concatenated using `sprintf` without proper size validation, it could lead to a buffer overflow vulnerability.

CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Vendors
Tenda
Products
W20e W20e Firmware
CVE-2026-3726

Tenda F453 webExcptypemanFilter fromwebExcptypemanFilter stack-based overflow

A vulnerability has been found in Tenda F453 1.0.0.3. This affects the function fromwebExcptypemanFilter of the file /goform/webExcptypemanFilter. The manipulation of the argument page leads to stack-based buffer overflow. The attack may be initiated 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
F453 F453 Firmware
CVE-2026-3801

Tenda i3 setAutoPing formSetAutoPing stack-based overflow

A vulnerability was found in Tenda i3 1.0.0.6(2204). Affected by this vulnerability is the function formSetAutoPing of the file /goform/setAutoPing. Performing a manipulation of the argument ping1/ping2 results in stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been made public and could be used.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
Tenda
Products
I3 I3 Firmware
CVE-2026-3808

Tenda FH1202 webtypelibrary formWebTypeLibrary stack-based overflow

A vulnerability was detected in Tenda FH1202 1.2.0.14(408). The affected element is the function formWebTypeLibrary of the file /goform/webtypelibrary. Performing a manipulation of the argument webSiteId results in stack-based buffer overflow. The attack may be initiated remotely. The exploit is now public and may be used.

CVSS 4.0 · 8.7 High EPSS 3.0% KEV · Not listed
Vendors
Tenda
Products
Fh1202 Fh1202 Firmware
CVE-2026-24440

Tenda W30E V2 Allows Password Changes Without Verifying Current Password

Shenzhen Tenda W30E V2 firmware versions up to and including V16.01.0.19(5037) allow account passwords to be changed through the maintenance interface without requiring verification of the existing password. This enables unauthorized password changes when access to the affected endpoint is obtained.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
Tenda
Products
W30e W30e Firmware
CVE-2026-24429

Tenda W30E V2 Hardcoded Default Password for Built-in Account

Shenzhen Tenda W30E V2 firmware versions up to and including V16.01.0.19(5037) ship with a predefined default password for a built-in authentication account that is not required to be changed during initial configuration. An attacker can leverage these default credentials to gain authenticated access to the management interface.

CVSS 4.0 · 9.3 Critical EPSS < 1% KEV · Not listed
Vendors
Tenda
Products
W30e W30e Firmware
CVE-2026-24430

Tenda W30E V2 HTTP Responses Expose Plaintext Credentials

Shenzhen Tenda W30E V2 firmware versions up to and including V16.01.0.19(5037) disclose sensitive account credentials in cleartext within HTTP responses generated by the maintenance interface. Because the management interface is accessible over unencrypted HTTP by default, credentials may be exposed to network-based interception.

CVSS 4.0 · 8.2 High EPSS < 1% KEV · Not listed
Vendors
Tenda
Products
W30e W30e Firmware
CVE-2026-24428

Tenda W30E V2 Incorrect Authorization Allows Administrator Password Change

Shenzhen Tenda W30E V2 firmware versions up to and including V16.01.0.19(5037) contain an authorization flaw in the user management API that allows a low-privileged authenticated user to change the administrator account password. By sending a crafted request directly to the backend endpoint, an attacker can bypass role-based restrictions enforced by the web interface and obtain full administrative privileges.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
Tenda
Products
W30e W30e Firmware
CVE-2026-24437

Tenda W30E V2 Missing Cache Controls for Credential-bearing Pages

Shenzhen Tenda W30E V2 firmware versions up to and including V16.01.0.19(5037) serve sensitive administrative content without appropriate cache-control directives. As a result, browsers may store credential-bearing responses locally, exposing them to subsequent unauthorized access.

CVSS 4.0 · 4.8 Medium EPSS < 1% KEV · Not listed
Vendors
Tenda
Products
W30e W30e Firmware
CVE-2026-24431

Tenda W30E V2 Web UI Reveals Passwords in Cleartext

Shenzhen Tenda W30E V2 firmware versions up to and including V16.01.0.19(5037) display stored user account passwords in plaintext within the administrative web interface. Any user with access to the affected management pages can directly view credentials.

CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed
Vendors
Tenda
Products
W30e W30e Firmware
CVE-2026-24433

Tenda W30E V2 Stored XSS via Username Field

Shenzhen Tenda W30E V2 firmware versions up to and including V16.01.0.19(5037) contain a stored cross-site scripting vulnerability in the user creation functionality. Insufficient input validation allows attacker-controlled script content to be stored and later executed when administrative users access the affected management pages.

CVSS 4.0 · 5.1 Medium EPSS < 1% KEV · Not listed
Vendors
Tenda
Products
W30e W30e Firmware
CVE-2026-24432

Tenda W30E V2 Missing CSRF Protections for Administrative Actions

Shenzhen Tenda W30E V2 firmware versions up to and including V16.01.0.19(5037) lack cross-site request forgery (CSRF) protections on administrative endpoints, including those used to change administrator account credentials. As a result, an attacker can craft malicious requests that, when triggered by an authenticated user’s browser, modify administrative passwords and other configuration settings.

CVSS 4.0 · 5.1 Medium EPSS < 1% KEV · Not listed
Vendors
Tenda
Products
W30e W30e Firmware
CVE-2026-24439

Tenda W30E V2 Lacks X-Content-Type-Options Header

Shenzhen Tenda W30E V2 firmware versions up to and including V16.01.0.19(5037) fail to include the X-Content-Type-Options: nosniff response header on web management interfaces. As a result, browsers that perform MIME sniffing may incorrectly interpret attacker-influenced responses as executable script.

CVSS 4.0 · 2.1 Low EPSS < 1% KEV · Not listed
Vendors
Tenda
Products
W30e W30e Firmware