CVE-2025-6752

HIGH

Linksys WRT1900ACS, EA7200, EA7450, EA7500 <20250619 - Buffer Overflow

Title source: llm
STIX 2.1

Description

A vulnerability has been found in Linksys WRT1900ACS, EA7200, EA7450 and EA7500 up to 20250619 and classified as critical. This vulnerability affects the function SetDefaultConnectionService of the file /upnp/control/Layer3Forwarding of the component IGD. The manipulation of the argument NewDefaultConnectionService leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

References (6)

Core 6
Core References
Permissions Required, VDB Entry vdb-entry technical-description
https://vuldb.com/?id.314050
Permissions Required, VDB Entry signature permissions-required
https://vuldb.com/?ctiid.314050
Permissions Required, VDB Entry third-party-advisory
https://vuldb.com/?submit.600638
Various Sources product
https://www.linksys.com/

Scores

CVSS v3 8.8
EPSS 0.0086
EPSS Percentile 75.2%
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-121
Status published
Products (4)
Linksys/EA7200 20250619
Linksys/EA7450 20250619
Linksys/EA7500 20250619
Linksys/WRT1900ACS 20250619
Published Jun 27, 2025
Tracked Since Feb 18, 2026