# TRENDnet TEW-821DAP vulnerabilities

Source: https://junglewise.ai/threats/technologies/tew-821dap  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/tew-821dap.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 13 vulnerabilities in TRENDnet TEW-821DAP: 0 in the last 7 days and 2 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-77946, was published on 22 August 2026. Nothing was published in the last eight weeks.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 2
- All time: 13 (1 critical, 0 exploited in the wild)

## About TRENDnet TEW-821DAP

Firmware for the TRENDnet TEW-821DAP wireless access point device.

## Latest TRENDnet TEW-821DAP vulnerabilities

- [CVE-2026-77946: TRENDnet TEW-821DAP stack-based buffer overflow in NTP timezone configuration](https://junglewise.ai/threats/cve-2026-77946-trendnet-tew-821dap-stack-based-buffer-overflow-in-ntp-timezone) (critical, CVSS 10, published 22 Aug 2026)
- [CVE-2026-77945: TRENDnet TEW-821DAP command injection in upload.cgi](https://junglewise.ai/threats/cve-2026-77945-trendnet-tew-821dap-command-injection-in-upload-cgi) (high, CVSS 7.4, published 22 Aug 2026)
- [CVE-2026-15487: TRENDnet TEW-821DAP OS command injection in system_ntp](https://junglewise.ai/threats/cve-2026-15487-trendnet-tew-821dap-os-command-injection-in-system-ntp) (medium, CVSS 6.3, published 12 Jul 2026)
- [CVE-2026-15486: TRENDnet TEW-821DAP OS command injection in tools_ddns](https://junglewise.ai/threats/cve-2026-15486-trendnet-tew-821dap-os-command-injection-in-tools-ddns) (medium, CVSS 6.3, published 12 Jul 2026)
- [CVE-2026-15485: TRENDnet TEW-821DAP command injection in DNS Lookup Handler](https://junglewise.ai/threats/cve-2026-15485-trendnet-tew-821dap-command-injection-in-dns-lookup-handler) (medium, CVSS 6.3, published 12 Jul 2026)
- [CVE-2026-15484: TRENDnet TEW-821DAP buffer overflow in tools_nslookup](https://junglewise.ai/threats/cve-2026-15484-trendnet-tew-821dap-buffer-overflow-in-tools-nslookup) (high, CVSS 8.8, published 12 Jul 2026)
- [CVE-2026-15483: TRENDnet TEW-821DAP buffer overflow in tools_nslookup](https://junglewise.ai/threats/cve-2026-15483-trendnet-tew-821dap-buffer-overflow-in-tools-nslookup) (high, CVSS 8.8, published 12 Jul 2026)
- [CVE-2026-7611: A vulnerability was found in TRENDnet TEW-821DAP up to 1.12B01. This impacts the function…](https://junglewise.ai/threats/cve-2026-7611-a-vulnerability-was-found-in-trendnet-tew-821dap-up-to-1-12b01) (low, CVSS 3.7, published 2 May 2026)
- [CVE-2026-7610: A vulnerability has been found in TRENDnet TEW-821DAP 1.12B01. This affects an unknown function of the file…](https://junglewise.ai/threats/cve-2026-7610-a-vulnerability-has-been-found-in-trendnet-tew-821dap-1-12b01-this) (low, CVSS 3.7, published 2 May 2026)
- [CVE-2026-7609: A flaw has been found in TRENDnet TEW-821DAP up to 1.12B01. The impacted element is the function tools_diagnostic of…](https://junglewise.ai/threats/cve-2026-7609-a-flaw-has-been-found-in-trendnet-tew-821dap-up-to-1-12b01-the) (medium, CVSS 6.3, published 2 May 2026)
- [CVE-2026-7608: A vulnerability was detected in TRENDnet TEW-821DAP up to 1.12B01. The affected element is the function…](https://junglewise.ai/threats/cve-2026-7608-a-vulnerability-was-detected-in-trendnet-tew-821dap-up-to-1-12b01) (medium, CVSS 5.5, published 2 May 2026)
- [CVE-2026-7607: A security vulnerability has been detected in TRENDnet TEW-821DAP 1.12B01. Impacted is the function…](https://junglewise.ai/threats/cve-2026-7607-a-security-vulnerability-has-been-detected-in-trendnet-tew-821dap) (high, CVSS 8.8, published 2 May 2026)
- [CVE-2026-7606: A weakness has been identified in TRENDnet TEW-821DAP 1.12B01. This issue affects the function…](https://junglewise.ai/threats/cve-2026-7606-a-weakness-has-been-identified-in-trendnet-tew-821dap-1-12b01-this) (low, CVSS 3.7, published 2 May 2026)

## Most severe TRENDnet TEW-821DAP vulnerabilities

- [CVE-2026-77946: TRENDnet TEW-821DAP stack-based buffer overflow in NTP timezone configuration](https://junglewise.ai/threats/cve-2026-77946-trendnet-tew-821dap-stack-based-buffer-overflow-in-ntp-timezone) (critical, CVSS 10, published 22 Aug 2026)
- [CVE-2026-7607: A security vulnerability has been detected in TRENDnet TEW-821DAP 1.12B01. Impacted is the function…](https://junglewise.ai/threats/cve-2026-7607-a-security-vulnerability-has-been-detected-in-trendnet-tew-821dap) (high, CVSS 8.8, published 2 May 2026)
- [CVE-2026-15484: TRENDnet TEW-821DAP buffer overflow in tools_nslookup](https://junglewise.ai/threats/cve-2026-15484-trendnet-tew-821dap-buffer-overflow-in-tools-nslookup) (high, CVSS 8.8, published 12 Jul 2026)
- [CVE-2026-15483: TRENDnet TEW-821DAP buffer overflow in tools_nslookup](https://junglewise.ai/threats/cve-2026-15483-trendnet-tew-821dap-buffer-overflow-in-tools-nslookup) (high, CVSS 8.8, published 12 Jul 2026)
- [CVE-2026-77945: TRENDnet TEW-821DAP command injection in upload.cgi](https://junglewise.ai/threats/cve-2026-77945-trendnet-tew-821dap-command-injection-in-upload-cgi) (high, CVSS 7.4, published 22 Aug 2026)
- [CVE-2026-7609: A flaw has been found in TRENDnet TEW-821DAP up to 1.12B01. The impacted element is the function tools_diagnostic of…](https://junglewise.ai/threats/cve-2026-7609-a-flaw-has-been-found-in-trendnet-tew-821dap-up-to-1-12b01-the) (medium, CVSS 6.3, published 2 May 2026)
- [CVE-2026-15487: TRENDnet TEW-821DAP OS command injection in system_ntp](https://junglewise.ai/threats/cve-2026-15487-trendnet-tew-821dap-os-command-injection-in-system-ntp) (medium, CVSS 6.3, published 12 Jul 2026)
- [CVE-2026-15486: TRENDnet TEW-821DAP OS command injection in tools_ddns](https://junglewise.ai/threats/cve-2026-15486-trendnet-tew-821dap-os-command-injection-in-tools-ddns) (medium, CVSS 6.3, published 12 Jul 2026)
- [CVE-2026-15485: TRENDnet TEW-821DAP command injection in DNS Lookup Handler](https://junglewise.ai/threats/cve-2026-15485-trendnet-tew-821dap-command-injection-in-dns-lookup-handler) (medium, CVSS 6.3, published 12 Jul 2026)
- [CVE-2026-7608: A vulnerability was detected in TRENDnet TEW-821DAP up to 1.12B01. The affected element is the function…](https://junglewise.ai/threats/cve-2026-7608-a-vulnerability-was-detected-in-trendnet-tew-821dap-up-to-1-12b01) (medium, CVSS 5.5, published 2 May 2026)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 2 | 1 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other TRENDnet technologies

- [TRENDnet TEW-432BRP](https://junglewise.ai/threats/technologies/tew-432brp): 21 vulnerabilities
- [TRENDnet TEW-657BRM](https://junglewise.ai/threats/technologies/tew-657brm): 8 vulnerabilities
- [TRENDnet Tew-657brm Firmware](https://junglewise.ai/threats/technologies/tew-657brm-firmware): 8 vulnerabilities
- [TRENDnet Tew-821dap Firmware](https://junglewise.ai/threats/technologies/tew-821dap-firmware): 6 vulnerabilities
- [TRENDnet TEW-755AP](https://junglewise.ai/threats/technologies/tew-755ap): 3 vulnerabilities
- [TRENDnet TEW-WLC100P](https://junglewise.ai/threats/technologies/tew-wlc100p): 3 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "TRENDnet TEW-821DAP vulnerabilities", https://junglewise.ai/threats/technologies/tew-821dap, 9 November 2026.