High 7.4Published Aug 22, 2026

CVE-2026-77945TRENDnet TEW-821DAP ssi upload.cgi command injection

Updated under an hour ago (2026-10-19 06:50 UTC)

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It affects TRENDnet TEW-821DAP. Add what you run to find out whether that includes you.

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Every CVE for TRENDnet TEW-821DAP

Exploited in the last 30 days

A vulnerability was found in TRENDnet TEW-821DAP 2.2.01b05. Affected is an unknown function of the file /cgi-bin/upload.cgi of the component ssi. Performing a manipulation of the argument filename results in command injection. The attack may be initiated remotely. The exploit has been made public and could be used.

CVSS: 7.4 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L/E:P/RL:X/RC:R
Weakness (CWE): CWE-77, CWE-74
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Deferred
Record last updated: Aug 25, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

TRENDnet TEW-821DAP trendnet:tew-821dap_firmware	2.2.01b05	CNA record

References

https://vuldb.com/vuln/394174vdb-entry, technical-description
https://vuldb.com/vuln/394174/ctisignature, permissions-required
https://vuldb.com/cve/CVE-2026-77945third-party-advisory
https://vuldb.com/submit/881248third-party-advisory
https://github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/TEW-821DAP_ssi_Arbitrary_File_Command_Injection.mdexploit

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.