CVE-2023-40838

Name: CVE-2023-40838
Creator: NVD / NIST
Published: 2023-08-30T17:15:10.397+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.05%

Last modified Jun 17, 2026

CVE-2023-40838 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Tenda AC6 US_AC6V1.0BR_V15.03.05.16_multi_TD01.bin function 'sub_3A1D0' contains a command execution vulnerability.. EPSS estimates a 1.05% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.05%

59.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-78

Affected Software

Vendor	Product	Versions
Tenda	Ac6 Firmware	15.03.05.16

References

https://github.com/XYIYM/Digging/blob/main/Tenda/AC6/cmd/1/1.mdExploit, Third Party Advisory
https://github.com/XYIYM/Digging/blob/main/Tenda/AC6/cmd/1/1.mdExploit, Third Party Advisory

Timeline

Published: Aug 30, 2023
Last Modified: Jun 17, 2026
Status: Modified

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.

How severe is CVE-2023-40838?

CVE-2023-40838 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.05% probability of exploitation in the next 30 days.

How do I fix CVE-2023-40838?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-40838?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST