CVE-2026-3679 describes a stack-based buffer overflow vulnerability in the Tenda FH451 1.0.0.9 router, specifically within the formQuickIndex function of the /goform/QuickIndex file. This flaw allows remote attackers to manipulate the mit_linktype/PPPOEPassword argument, leading to arbitrary code execution. With a CVSS score of 8.8 (High), the vulnerability is easily exploitable over the network with low privileges and no user interaction, potentially resulting in complete compromise of confidentiality, integrity, and availability. While there is no evidence of active exploitation, a public exploit is available, and the vulnerability has garnered some community discussion, indicating potential future exploitation.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.0.0.9CPE matchmatch criteria | cpe:2.3:o:tenda:f451_firmware:1.0.0.9:*:*:*:*:*:*:* |
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.
No media coverage found for this CVE.
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.