CVE-2026-6197: Tenda F456 AdvSetWrlsafeset formWrlsafeset stack-based overflow

Published Apr 13, 2026
·
Updated

A flaw has been found in Tenda F456 1.0.0.5. This vulnerability affects the function formWrlsafeset of the file /goform/AdvSetWrlsafeset. Executing a manipulation of the argument mitssid can lead to stack-based buffer overflow. The attack may be performed from remote. The exploit has been published and may be used.

Affected Software

1 affected component
Tenda F456=1.0.0.5

Event History

Apr 13, 2026
CVE Published
via MITRE·06:00 PM
Data Sourced
via MITRE·06:00 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·07:16 PM
DescriptionSeverityWeakness
Jun 7, 58268
Event
via FIRST·05:22 PM
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2026-6197?

CVE-2026-6197 is classified as a high severity vulnerability due to the potential for stack-based buffer overflow.

2

How does CVE-2026-6197 affect Tenda F456?

CVE-2026-6197 affects the Tenda F456 by allowing an attacker to exploit the formWrlsafeset function to cause a stack-based buffer overflow.

3

How do I fix CVE-2026-6197?

To fix CVE-2026-6197, update the Tenda F456 firmware to the latest version provided by Tenda.

4

What type of attack is possible with CVE-2026-6197?

CVE-2026-6197 allows for a remote code execution attack due to the stack-based buffer overflow vulnerability.

5

Is there a workaround for CVE-2026-6197?

Currently, there is no recommended workaround for CVE-2026-6197 aside from updating the firmware.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203