Findings

CVE-2026-2908

A security vulnerability has been detected in Tenda HG9 300001138.

Published Feb 22, 2026 · updated Jun 17, 2026 · tenda hg9 firmware

A security vulnerability has been detected in Tenda HG9 300001138. Affected by this issue is some unknown functionality of the file /boaform/formLoopBack of the component Loopback Detection Configuration Endpoint. Such manipulation of the argument Ethtype leads to stack-based buffer overflow. The attack can be executed remotely. The exploit has been disclosed publicly and may be used.

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 22, 2026 · NIST NVD

    Detected

    A security vulnerability has been detected in Tenda HG9 300001138. Affected by this issue is some unknown functionality of the file /boaform/formLoopBack of the component Loopback Detection Configuration Endpoint. Such manipulation of the argument Ethtype leads to stack-based buffer overflow. The attack can be executed remotely. The exploit has been disclosed publicly and may be used.

  2. Jun 17, 2026 · NIST NVD

    Updated

    A security vulnerability has been detected in Tenda HG9 300001138. Affected by this issue is some unknown functionality of the file /boaform/formLoopBack of the component Loopback Detection Configuration Endpoint. Such manipulation of the argument Ethtype leads to stack-based buffer overflow. The attack can be executed remotely. The exploit has been disclosed publicly and may be used.

Affected

  • cpe tenda/hg9 firmware300001138

Sources

  • CVE.orgVulnerability recordCVE-2026-2908

    Official CVE identifier

    cve.org
  • NIST NVDVulnerability recordCVE-2026-2908

    A security vulnerability has been detected in Tenda HG9 300001138. Affected by this issue is some unknown functionality of the file /boaform/formLoopBack of the component Loopback Detection Configuration Endpoint. Such manipulation of the argument Ethtype leads to stack-based buf

    nvd.nist.gov

References

CVE-2026-2908 · ZeroDay Findings