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CVE-2026-76582

TRENDnet TEW-821DAP ssi ping.cgi system command injection

HIGH
7.4
CVSS Score
Published: August 19, 2026 at 08:30 PM UTC
Updated: August 21, 2026 at 10:16 PM UTC
2 products affected across 1 vendorTew 821DAP FirmwareTEW-821DAP

Using TEW-821DAP by TRENDnet?

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Severity
HIGH7.4
Exploit prediction
EPSS 2%
SSVC
PoC

Description

A vulnerability was determined in TRENDnet TEW-821DAP 2.2.01b05. Affected is the function popen/system of the file /cgi-bin/ping.cgi of the component ssi. Executing a manipulation of the argument ipaddr can lead to command injection. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (5)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/393041
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/393041/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-76582
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/877791
Exploit
Source: cverecord
https://github.com/meishigana/CVE/tree/main/team15_20260702/06_821dap-ssi-remote-cmdi

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.4HIGHVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-77CWE-74

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