CVE-2025-6752 is a critical stack-based buffer overflow vulnerability (CWE-121) affecting specific Linksys WRT and EA series routers, including WRT1900ACS, EA7200, EA7450, and EA7500. This flaw, rated 8.8 HIGH (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H), allows a remote attacker to achieve high impact on confidentiality, integrity, and availability by manipulating the NewDefaultConnectionService argument within the IGD component's SetDefaultConnectionService function. While the exploit has been publicly disclosed, there is no evidence of active exploitation, and it currently lacks Metasploit, Nuclei, or ExploitDB modules, with minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
| Linksys | EA7200 | 20250619CNA affected | |
| Linksys | EA7450 | 20250619CNA affected | |
| Linksys | EA7500 | 20250619CNA affected | |
| Linksys | WRT1900ACS | 20250619CNA affected |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.