CVE-2026-76582

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 v4.0

2.1 LOWCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1

7.4 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L

CVSS v2.0

6.5 MEDIUMAV:N/AC:L/Au:S/C:P/I:P/A:P

EPSS

1.28% chance of exploitation in the next 30 days, 68th percentile

Published

2026-08-19

Updated

2026-08-21

Proof-of-concept exploits (1)

• meishigana/CVE/tree/main/team15_20260702/06_821dap-ssi-remote-cmdi

References

• CVE Record
• NVD entry

Related

• CVE-2026-75783
• CVE-2026-75784
• CVE-2026-75877
• CVE-2026-75976
• CVE-2026-75984
• CVE-2026-75985