CVE-2026-4181 is a critical stack-based buffer overflow vulnerability affecting D-Link DIR-816 1.10CNB05 routers, specifically within the /goform/form2RepeaterStep2.cgi component. This flaw impacts products that are no longer supported by the vendor. With a CVSS score of 9.8 (Critical), the vulnerability can be exploited remotely with low attack complexity and no privileges or user interaction, potentially leading to complete compromise of confidentiality, integrity, and availability. While an exploit has been publicly released, there is currently no evidence of active exploitation, and community discussion or media coverage remains minimal.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.10cnb05CPE matchmatch criteria | cpe:2.3:o:dlink:dir-816_firmware:1.10cnb05:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.