ZeroDay Findings
Sign inSign up

Findings

CVE-2026-2886

A weakness has been identified in Tenda A21 1.0.0.0.

Published Feb 21, 2026 · updated Jun 17, 2026 · tenda a21 firmware

A weakness has been identified in Tenda A21 1.0.0.0. This affects the function set_device_name of the file /goform/SetOnlineDevName. This manipulation of the argument devName causes stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Feb 21, 2026 · NIST NVD

    Detected

    A weakness has been identified in Tenda A21 1.0.0.0. This affects the function set_device_name of the file /goform/SetOnlineDevName. This manipulation of the argument devName causes stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks.

  2. Jun 17, 2026 · NIST NVD

    Updated

    A weakness has been identified in Tenda A21 1.0.0.0. This affects the function set_device_name of the file /goform/SetOnlineDevName. This manipulation of the argument devName causes stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks.

Affected

  • cpe tenda/a21 firmware1.0.0.0

Sources

  • CVE.orgVulnerability recordCVE-2026-2886

    Official CVE identifier

    cve.org
  • NIST NVDVulnerability recordCVE-2026-2886

    A weakness has been identified in Tenda A21 1.0.0.0. This affects the function set_device_name of the file /goform/SetOnlineDevName. This manipulation of the argument devName causes stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been

    nvd.nist.gov

References