CVE-2025-4830: TOTOLINK A702R/A3002R/A3002RU HTTP POST Request formSysCmd buffer overflow

Published May 17, 2025
·
Updated

A vulnerability, which was classified as critical, has been found in TOTOLINK A702R, A3002R and A3002RU 3.0.0-B20230809.1615. Affected by this issue is some unknown functionality of the file /boafrm/formSysCmd of the component HTTP POST Request Handler. The manipulation of the argument submit-url leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Affected Software

9 affected components
TOTOLINK A702R
TOTOLINK A3002R
TOTOLINK A3002RU
All of the following
TOTOLINK A702r Firmware=3.0.0-b20230809.1615
TOTOLINK A702R
All of the following
TOTOLINK A3002R Firmware=3.0.0-b20230809.1615
TOTOLINK A3002R
All of the following
TOTOLINK A3002ru Firmware=3.0.0-b20230809.1615
TOTOLINK A3002RU

Event History

May 17, 2025
CVE Published
via MITRE·03:31 PM
Data Sourced
via MITRE·03:31 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·04:15 PM
DescriptionSeverityWeakness
Mar 12, 57362
Event
via FIRST·04:16 AM
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Frequently Asked Questions

1

What is the severity of CVE-2025-4830?

CVE-2025-4830 is classified as a critical vulnerability affecting TOTOLINK A702R, A3002R, and A3002RU devices.

2

How do I fix CVE-2025-4830?

To fix CVE-2025-4830, update the firmware of your TOTOLINK A702R, A3002R, or A3002RU to the latest version.

3

What components are affected by CVE-2025-4830?

CVE-2025-4830 affects the HTTP POST Request Handler component in the file /boafrm/formSysCmd.

4

What products are impacted by CVE-2025-4830?

CVE-2025-4830 impacts the TOTOLINK A702R, A3002R, and A3002RU routers.

5

Is there any immediate action required for CVE-2025-4830?

Yes, users should immediately update to the latest firmware version to mitigate the security risk associated with CVE-2025-4830.

Contact

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