CVE-2026-76582: medium-severity vulnerability in TRENDnet TEW-821DAP
TRENDnet TEW-821DAP ssi ping.cgi system command injection
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 5.3epss 1.8%
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: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
Affected products
TRENDnet · TEW-821DAPpublic PoCs found — 1
cve_referencegithub.com/meishigana/CVE/tree/main/team15_20260702/06_821dap-ssi-remote-cmdiunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — TRENDnet TEW-821DAP
In the same product, most dangerous first.
CVE-2026-7608MEDIUMTRENDnet TEW-821DAP tools_diagnostic os command injectionEPSS 5.7%CVE-2026-7609MEDIUMTRENDnet TEW-821DAP Firmware Udpate diagnostic tools_diagnostic os command injectionEPSS 4.5%CVE-2026-77945MEDIUMTRENDnet TEW-821DAP ssi upload.cgi command injectionEPSS 1.8%CVE-2026-15487MEDIUMTRENDnet TEW-821DAP Firmware Update system_ntp sub_41FBD0 os command injectionEPSS 1.8%CVE-2026-15486MEDIUMTRENDnet TEW-821DAP Firmware Update tools_ddns sub_42026C os command injectionEPSS 1.8%CVE-2026-15485MEDIUMTRENDnet TEW-821DAP DNS Lookup tools_nslookup sub_43F2C4 os command injectionEPSS 1.8%