CVE-2026-7609
LOW EPSS 89.5%
Published May 2, 20261mo ago · Modified Jun 17, 20261w ago
2.1 CVSS 4.0
Published May 2, 2026 1mo ago
Last Modified Jun 17, 2026 1w ago
Description
A flaw has been found in TRENDnet TEW-821DAP up to 1.12B01. The impacted element is the function tools_diagnostic of the file /tmp/diagnostic of the component Firmware Udpate. This manipulation causes os command injection. Remote exploitation of the attack is possible. The exploit has been published and may be used. The vendor explains: "That firmware version will only work on our hardware version v1.xR. We have already EOL that product 8 years ago and are no longer selling". This vulnerability only affects products that are no longer supported by the maintainer.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/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 Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
89.5% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available
Weaknesses 2
CWE-77 Command Injection Injection
CWE-78 OS Command Injection Injection
Affected Products 2
References 4
- github.com https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Trendnet/TEW-821DAP_CI2.md
- vuldb.com https://vuldb.com/submit/806216
- vuldb.com https://vuldb.com/vuln/360566
- vuldb.com https://vuldb.com/vuln/360566/cti
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.