CVE-2023-38936

Name: CVE-2023-38936
Creator: NVD / NIST
Published: 2023-08-07T19:15:11.343+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.71%

Last modified Jun 17, 2026

CVE-2023-38936 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Tenda AC10 V1.0 V15.03.06.23, AC1206 V15.03.06.23, AC6 V2.0 V15.03.06.23, AC7 V1.0 V15.03.06.44, AC5 V1.0 V15.03.06.28, FH1203 V2.0.1.6, AC9 V3.0 V15.03.06.42_multi and FH1205 V2.0.0.7(775) were discovered to contain a stack overflow via the speed_dir parameter in the formSetSpeedWan function.. EPSS estimates a 0.71% chance of exploitation in the next 30 days.

Description

Tenda AC10 V1.0 V15.03.06.23, AC1206 V15.03.06.23, AC6 V2.0 V15.03.06.23, AC7 V1.0 V15.03.06.44, AC5 V1.0 V15.03.06.28, FH1203 V2.0.1.6, AC9 V3.0 V15.03.06.42_multi and FH1205 V2.0.0.7(775) were discovered to contain a stack overflow via the speed_dir parameter in the formSetSpeedWan function.

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

0.71%

48.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Tenda	Ac10 Firmware	15.03.06.23
Tenda	Ac1206 Firmware	15.03.06.23
Tenda	Ac6 Firmware	15.03.06.23
Tenda	Ac7 Firmware	15.03.06.44
Tenda	F1203 Firmware	2.0.1.6
Tenda	Ac5 Firmware	15.03.06.28
Tenda	Fh1203 Firmware	2.0.1.6
Tenda	Fh1205 Firmware	2.0.0.7\(775\)
Tenda	Ac9 Firmware	15.03.06.42_multi

References

https://github.com/FirmRec/IoT-Vulns/blob/main/tenda/formSetSpeedWan/README.mdExploit, Vendor Advisory
https://github.com/FirmRec/IoT-Vulns/blob/main/tenda/formSetSpeedWan/README.mdExploit, Vendor Advisory

Timeline

Published: Aug 7, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-38936?

How severe is CVE-2023-38936?

CVE-2023-38936 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.71% probability of exploitation in the next 30 days.

How do I fix CVE-2023-38936?

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-2023-38936?

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

Scan your code now

Source: NVD / NIST