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HIGH

CVE-2026-2886

CVSS v3

8.8

HIGH

EPSS Score

1.0 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

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.

Technical details

Published
2026-02-21
Last Modified
2026-02-23

Frequently asked questions

What is CVE-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 made available to the public and could be used for attacks.

Is CVE-2026-2886 actively exploited?

Active exploitation of CVE-2026-2886 has not been confirmed. Its EPSS score was 1.0% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-2886?

CVE-2026-2886 has a CVSS v3 base score of 8.8 (HIGH severity).

Is CVE-2026-2886 affecting your environment?

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