CVE-2026-76582

HIGH 7.4

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

CVSS Score

7.4

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-77 CWE-74
Vendor	trendnet
Product	tew-821dap
Published	Aug 19, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

TRENDnet / TEW-821DAP

2.2.01b05

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/393041 vuldb.com: https://vuldb.com/vuln/393041/cti vuldb.com: https://vuldb.com/cve/CVE-2026-76582 vuldb.com: https://vuldb.com/submit/877791 github.com: https://github.com/meishigana/CVE/tree/main/team15_20260702/06_821dap-ssi-remote-cmdi

Credits

🔍 fuhanhan2015 (VulDB User)