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CVSS 6.3 · MEDIUM

CVE-2026-7609

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.

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Severity

Score: 6.3(MEDIUM)
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
AV: NETWORK
AC: LOW
PR: LOW
UI: NONE
S: UNCHANGED
C: LOW
I: LOW
A: LOW
Weakness (CWE): CWE-77CWE-78

EPSS

Probability of exploitation (next 30 days): 0.0106 (1.1%)
Percentile: 77.7%
EPSS: 2026-05-06

Affects

trendnet:tew-821dap_firmwaretrendnet:tew-821dap

Technical 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.

Published: 5/2/2026, 10:16:19 AM
Last modified: 5/6/2026, 8:24:21 PM

References

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