CVE-2026-15485 | TRENDnet TEW-821DAP 1.11B03 DNS Lookup /goform/tools_nslookup sub_43F2C4 nslookup_target/dns_server os command injection

A vulnerability, which was classified as critical, has been found in TRENDnet TEW-821DAP 1.11B03. The impacted element is the function sub_43F2C4 of the file /goform/tools_nslookup of the component DNS Lookup Handler. This manipulation of the argument nslookup_target/dns_server causes os command injection. This vulnerability only affects products that are no longer supported by the maintainer.

This vulnerability is handled as CVE-2026-15485. The attack can be initiated remotely. There is not any exploit available.

The vendor explains: “We are unable to confirm the existence of the vulnerabilities for (…) TEW-821DAP (v1.0R) as these items have been EOL. “