CVE-2026-2140 is a high-severity buffer overflow vulnerability affecting Tenda TX9 firmware up to version 22.03.02.10_multi. Specifically, the sub_4223E0 function within the /goform/setMacFilterCfg file is susceptible to manipulation of the deviceList argument. This flaw allows for remote exploitation, potentially leading to complete compromise of confidentiality, integrity, and availability. While a public exploit is available, there is currently no evidence of active exploitation, Metasploit modules, or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 22.03.02.10CPE matchmatch criteria | cpe:2.3:o:tenda:tx9_firmware:*:*:*:*:*:*:*:* |
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.