CVE-2025-8140

HIGH

Totolink A702r Firmware - Memory Corruption

Title source: rule
STIX 2.1

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.

References (5)

Core 5
Core References
Third Party Advisory, VDB Entry vdb-entry technical-description
https://vuldb.com/?id.317536
Permissions Required signature permissions-required
https://vuldb.com/?ctiid.317536
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.620486
Product product
https://www.totolink.net/

Scores

CVSS v3 8.8
EPSS 0.0062
EPSS Percentile 70.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-119 CWE-120
Status published
Products (1)
totolink/a702r_firmware 4.0.0-b20230721.1521
Published Jul 25, 2025
Tracked Since Feb 18, 2026