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CRITICAL

CVE-2023-40838

CVSS v3

9.8

CRITICAL

EPSS Score

1.1 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

Tenda AC6 US_AC6V1.0BR_V15.03.05.16_multi_TD01.bin function 'sub_3A1D0' contains a command execution vulnerability.

Technical details

Published
2023-08-30

Frequently asked questions

What is CVE-2023-40838?

Tenda AC6 US_AC6V1.0BR_V15.03.05.16_multi_TD01.bin function 'sub_3A1D0' contains a command execution vulnerability.

Is CVE-2023-40838 actively exploited?

Active exploitation of CVE-2023-40838 has not been confirmed. Its EPSS score was 1.1% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-40838?

CVE-2023-40838 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2023-40838 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

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