CVE-2021-31624: Buffer Overflow

Published Oct 29, 2021
·
Updated

Buffer Overflow vulnerability in Tenda AC9 V1.0 through V15.03.05.19(6318), and AC9 V3.0 V15.03.06.42multi, allows attackers to execute arbitrary code via the urls parameter.

Affected Software

8 affected components
Tendacn Ac9 Firmware<=15.03.06.42_multi
Tendacn Ac9=3.0
Tendacn Ac9 Firmware<=15.03.05.19\(6318\)
Tendacn Ac9=1.0
All of the following
Tendacn Ac9 Firmware<=15.03.06.42_multi
Tendacn Ac9=3.0
All of the following
Tendacn Ac9 Firmware<=15.03.05.19\(6318\)
Tendacn Ac9=1.0

Event History

Oct 29, 2021
CVE Published
via MITRE·10:25 AM
Data Sourced
via MITRE·10:25 AM
Description
Data Sourced
via NVD·11:15 AM
DescriptionSeverityWeaknessAffected Software
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-2021-31624?

CVE-2021-31624 is classified as a high severity buffer overflow vulnerability.

2

How do I fix CVE-2021-31624?

To fix CVE-2021-31624, update the Tenda AC9 firmware to a version higher than V15.03.06.42_multi.

3

What devices are affected by CVE-2021-31624?

CVE-2021-31624 affects Tenda AC9 V1.0 firmware versions up to V15.03.05.19(6318) and V3.0 firmware versions up to V15.03.06.42_multi.

4

Can CVE-2021-31624 allow remote code execution?

Yes, CVE-2021-31624 allows attackers to execute arbitrary code through manipulation of the urls parameter.

5

What impact can CVE-2021-31624 have on affected systems?

CVE-2021-31624 can lead to unauthorized access and control over the affected Tenda AC9 devices.

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