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HIGH

CVE-2025-8140

TOTOLINK A702R HTTP POST Request formWlanMultipleAP buffer overflow

CVSS v3

8.8

HIGH

EPSS Score

8.8 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

poc

SSVC status

Description

A vulnerability was found in TOTOLINK A702R 4.0.0-B20230721.1521. It has been declared as critical. This vulnerability affects unknown code of the file /boafrm/formWlanMultipleAP of the component HTTP POST Request Handler. The manipulation of the argument submit-url leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

Technical details

Published
2025-07-25
Last Modified
2025-07-28

Frequently asked questions

What is CVE-2025-8140?

A vulnerability was found in TOTOLINK A702R 4.0.0-B20230721.1521. It has been declared as critical. This vulnerability affects unknown code of the file /boafrm/formWlanMultipleAP of the component HTTP POST Request Handler. The manipulation of the argument submit-url leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

Is CVE-2025-8140 actively exploited?

A proof-of-concept exploit exists for CVE-2025-8140, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2025-8140?

CVE-2025-8140 has a CVSS v3 base score of 8.8 (HIGH severity).

Is CVE-2025-8140 affecting your environment?

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