CVE-2026-4974: Tenda AC7 POST Request SetSysTimeCfg fromSetSysTime memory corruption

Published Mar 27, 2026
·
Updated

A flaw has been found in Tenda AC7 15.03.06.44. Affected by this issue is the function fromSetSysTime of the file /goform/SetSysTimeCfg of the component POST Request Handler. Executing a manipulation of the argument Time can lead to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been published and may be used.

Affected Software

3 affected components
Tenda Tenda AC7=15.03.06.44
All of the following
Tenda AC7 firmware=15.03.06.44
Tenda AC7=1.0

Event History

Mar 27, 2026
CVE Published
via MITRE·07:52 PM
Data Sourced
via MITRE·07:52 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·08:16 PM
DescriptionSeverityWeaknessAffected Software
Apr 7, 58249
Event
via FIRST·11:19 AM
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Frequently Asked Questions

1

What is the severity of CVE-2026-4974?

CVE-2026-4974 has a high severity rating due to its potential for memory corruption and exploitation.

2

How do I fix CVE-2026-4974?

To fix CVE-2026-4974, users should update their Tenda AC7 firmware to a version that addresses this vulnerability.

3

What specific component of Tenda AC7 is affected by CVE-2026-4974?

CVE-2026-4974 affects the POST Request Handler function fromSetSysTime in the Tenda AC7 firmware.

4

Can CVE-2026-4974 lead to remote code execution?

Yes, exploiting CVE-2026-4974 could potentially allow an attacker to achieve remote code execution on the device.

5

Is it safe to use Tenda AC7 with the CVE-2026-4974 vulnerability?

Using Tenda AC7 with CVE-2026-4974 poses security risks, and it is advisable to apply the necessary firmware updates promptly.

Contact

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