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High severity · published Aug 19, 2026
CVE-2026-76582
TRENDnet TEW-821DAP ssi ping.cgi system command injection
7.4
CVSS
1.8%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.8% · higher than 78% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TE
TEW-821DAP · TRENDnet
2.2.01b05 · source: vendor
Affected product
TE
TEW-821DAP
TRENDnet
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-76582
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-76582
github.com
https://github.com/meishigana/CVE/tree/main/team15_20260702/06_821dap-ssi-remote-cmdi
vuldb.com
https://vuldb.com/cve/CVE-2026-76582
vuldb.com
https://vuldb.com/submit/877791
vuldb.com
https://vuldb.com/vuln/393041
vuldb.com
https://vuldb.com/vuln/393041/cti
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