CVE-2026-77946

A stack-based buffer overflow in the NTP Timezone Configuration Handler of TRENDnet TEW-821DAP firmware 2.2.01b05 allows remote, unauthenticated attackers to achieve full system compromise (CVSS 10.0 CRITICAL). The vulnerable function is uci_safe_get in /cgi-bin/apply_time.cgi ; manipulating the ...

EUVD-2026-64247

A vulnerability was determined in TRENDnet TEW-821DAP 2.2.01b05. Affected by this vulnerability is the function ucisafeget of the file /cgi-bin/applytime.cgi of the component NTP Timezone Configuration Handler. Executing a manipulation of the argument...

EUVD-2026-64245

A vulnerability was found in TRENDnet TEW-821DAP 2.2.01b05. Affected is an unknown function of the file /cgi-bin/upload.cgi of the component ssi. Performing a manipulation of the argument filename results in command injection. The attack may be initiated remotely. The exploit has been made public...

CVE-2026-77945

A command injection vulnerability exists in TRENDnet TEW-821DAP firmware version 2.2.01b05 , specifically in the ssi component within the file /cgi-bin/upload.cgi. An attacker can manipulate the filename argument to inject arbitrary commands. The attack is remotely exploitable and requires low pr...

PT-2026-79528

A vulnerability was found in TRENDnet TEW-821DAP 2.2.01b05. Affected is an unknown function of the file /cgi-bin/upload.cgi of the component ssi. Performing a manipulation of the argument filename results in command injection. The attack may be initiated remotely. The exploit has been made public...

PT-2026-79529

Name of the Vulnerable Software and Affected Versions TRENDnet TEW-821DAP version 2.2.01b05 Description A stack-based buffer overflow exists in the NTP Timezone Configuration Handler within the uci safe get function of the /cgi-bin/apply time.cgi endpoint. This issue occurs because the function...

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...

CVE-2026-76582

TRENDnet TEW-821DAP firmware 2.2.01b05 passes the unsanitized ipaddr argument from /cgi-bin/ping.cgi to popen/system in the ssi component, enabling remote command injection; a proof-of-concept exploit is publicly available on GitHub. No patch or workaround is mentioned in the provided documents.

EUVD-2026-62852

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...

CVE-2026-76582 TRENDnet TEW-821DAP ssi ping.cgi system command injection

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...

CVE-2026-15486

A vulnerability has been found in TRENDnet TEW-821DAP 1.11B03. This affects the function sub42026C of the file /goform/toolsddns of the component Firmware Update Handler. Such manipulation of the argument hostname/username/password leads to os command injection. The attack can be launched remotel...

CVE-2026-15487 TRENDnet TEW-821DAP Firmware Update system_ntp sub_41FBD0 os command injection

A vulnerability was found in TRENDnet TEW-821DAP 1.11B03. This impacts the function sub41FBD0 of the file /goform/systemntp of the component Firmware Update Handler. Performing a manipulation of the argument Hostname results in os command injection. The attack may be initiated remotely. The vendo...

CVE-2026-15487

TRENDnet TEW-821DAP firmware 1.11B03 contains a vulnerability in the Firmware Update Handler: the function sub_41FBD0 in /goform/system_ntp can be abused by manipulating the Hostname argument to cause an OS command injection. The CVE indicates remote execution is possible via a network attack, wi...

CVE-2026-15485

A flaw has been found in TRENDnet TEW-821DAP 1.11B03. The impacted element is the function sub43F2C4 of the file /goform/toolsnslookup of the component DNS Lookup Handler. This manipulation of the argument nslookuptarget/dnsserver causes os command injection. The attack can be initiated remotely...

CVE-2026-15486

The vulnerability CVE-2026-15486 affects TRENDnet TEW-821DAP (firmware 1.11B03). It targets the Firmware Update Handler's /goform/tools_ddns component, specifically function sub_42026C, where manipulation of hostname/username/password can trigger an os command injection. The attack is described a...

CVE-2026-15486 TRENDnet TEW-821DAP Firmware Update tools_ddns sub_42026C os command injection

A vulnerability has been found in TRENDnet TEW-821DAP 1.11B03. This affects the function sub42026C of the file /goform/toolsddns of the component Firmware Update Handler. Such manipulation of the argument hostname/username/password leads to os command injection. The attack can be launched remotel...

CVE-2026-15484

A vulnerability was detected in TRENDnet TEW-821DAP 1.12B01. The affected element is the function sub41EC14 of the file /goform/toolsnslookup of the component ssi. The manipulation results in buffer overflow. It is possible to launch the attack remotely. The vendor explains: "We are unable to...

CVE-2026-15483

A security vulnerability has been detected in TRENDnet TEW-821DAP 1.12B01. Impacted is the function sub41EC14 of the file /goform/toolsnslookup of the component ssi. The manipulation of the argument nslookuptarget leads to buffer overflow. It is possible to initiate the attack remotely. The vendo...

EUVD-2026-43207

A flaw has been found in TRENDnet TEW-821DAP 1.11B03. The impacted element is the function sub43F2C4 of the file /goform/toolsnslookup of the component DNS Lookup Handler. This manipulation of the argument nslookuptarget/dnsserver causes os command injection. The attack can be initiated remotely...

CVE-2026-15485

TRENDnet TEW-821DAP 1.11B03 contains a flaw in the DNS Lookup Handler (function sub_43F2C4 in /goform/tools_nslookup) that allows os command injection via manipulation of nslookup_target/dns_server. The vulnerability can be triggered remotely. The vendor notes these items are EOL; no current conf...