CVE-2026-4252 identifies a critical authentication bypass vulnerability in the Tenda AC8 16.03.50.11 firmware, specifically within the IPv6 Handler's check_is_ipv6 function. This flaw allows a remote, unauthenticated attacker to bypass authentication by relying on the IP address, leading to a complete compromise of confidentiality, integrity, and availability. The vulnerability has a CVSS score of 9.8 Critical, indicating a high-impact, low-complexity attack vector. Although not on the CISA KEV catalog, an exploit for this vulnerability is publicly available, posing a potential risk despite minimal community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
16.03.50.11CPE matchmatch criteria | cpe:2.3:o:tenda:ac8_firmware:16.03.50.11:*:*:*:*:*:*:* |
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.