CVE-2023-40845

Name: CVE-2023-40845
Creator: NVD / NIST
Published: 2023-08-30T17:15:10.817+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.57%

Last modified Jun 17, 2026

CVE-2023-40845 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 is vulnerable to Buffer Overflow via function 'sub_34FD0.' In the function, it reads user provided parameters and passes variables to the function without any length checks.. EPSS estimates a 0.57% chance of exploitation in the next 30 days.

Description

Tenda AC6 US_AC6V1.0BR_V15.03.05.16_multi_TD01.bin is vulnerable to Buffer Overflow via function 'sub_34FD0.' In the function, it reads user provided parameters and passes variables to the function without any length checks.

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

0.57%

42.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Tenda	Ac6 Firmware	15.03.05.16

References

https://github.com/XYIYM/Digging/blob/main/Tenda/AC6/bof/14/14.mdThird Party Advisory
https://github.com/XYIYM/Digging/blob/main/Tenda/AC6/bof/14/14.mdThird Party Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2023-40845?

How severe is CVE-2023-40845?

CVE-2023-40845 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.57% probability of exploitation in the next 30 days.

How do I fix CVE-2023-40845?

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-2023-40845?

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

Scan your code now

Source: NVD / NIST