CVE-2026-7608

EUVD-2026-26767

02.05.2026, 09:16

A vulnerability was detected in TRENDnet TEW-821DAP up to 1.12B01. The affected element is the function tools_diagnostic. The manipulation results in os command injection. The exploit is now public 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.

Command Injection

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	Primary	5.5 MEDIUM	ADJACENT_NETWORK	LOW	LOW	CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Base Score

CVSS 3.x

EPSS Score

Percentile: 91%

Affected Products (NVD)

Vendor	Product	Version
trendnet	tew-821dap_firmware	1.12b01:b01

𝑥

= Vulnerable software versions

Known Exploits!

https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Trendnet/TEW-821DAP_CI1.md

Common Weakness Enumeration

CWE-77 - Improper Neutralization of Special Elements used in a Command ('Command Injection')
The software constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.

References

https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Trendnet/TEW-821DAP_CI1.md

https://vuldb.com/submit/806215

https://vuldb.com/vuln/360565

https://vuldb.com/vuln/360565/cti