CVE-2026-7609
This manipulation causes os command injection.
Does this matter?
Lower severity and a low EPSS score (4.12%). Track it; it rarely justifies an emergency change on its own.
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 4.0
- 2.1 LOWCVSS: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/M
- EPSS
- 4.12% probability · 90th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-77, CWE-78
- Affected
- trendnet/tew-821dap firmware
- Source
- cna@vuldb.com
References
- https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Trendnet/TEW-821DAP_CI2.mdExploit, Third Party Advisory
- https://vuldb.com/submit/806216Third Party Advisory, VDB Entry
- https://vuldb.com/vuln/360566Third Party Advisory, VDB Entry
- https://vuldb.com/vuln/360566/ctiPermissions Required, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.