# TRENDnet Tew-657brm Firmware vulnerabilities

Source: https://junglewise.ai/threats/technologies/tew-657brm-firmware  
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-657brm-firmware.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 8 vulnerabilities in TRENDnet Tew-657brm Firmware: 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-5355, was published on 2 April 2026.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 8 (0 critical, 0 exploited in the wild)

## About TRENDnet Tew-657brm Firmware

Firmware for the TEW-657BRM wireless ADSL2+ modem router.

## Latest TRENDnet Tew-657brm Firmware vulnerabilities

- [CVE-2026-5355: Trendnet TEW-657BRM command injection in setup.cgi](https://junglewise.ai/threats/cve-2026-5355-trendnet-tew-657brm-command-injection-in-setup-cgi) (medium, CVSS 6.3, published 2 Apr 2026)
- [CVE-2026-5354: Trendnet TEW-657BRM command injection in setup.cgi](https://junglewise.ai/threats/cve-2026-5354-trendnet-tew-657brm-command-injection-in-setup-cgi) (medium, CVSS 6.3, published 2 Apr 2026)
- [CVE-2026-5353: Trendnet TEW-657BRM command injection in setup.cgi](https://junglewise.ai/threats/cve-2026-5353-trendnet-tew-657brm-command-injection-in-setup-cgi) (medium, CVSS 6.3, published 2 Apr 2026)
- [CVE-2026-5352: Trendnet TEW-657BRM OS command injection in setup.cgi](https://junglewise.ai/threats/cve-2026-5352-trendnet-tew-657brm-os-command-injection-in-setup-cgi) (medium, CVSS 6.3, published 2 Apr 2026)
- [CVE-2026-5351: Trendnet TEW-657BRM OS command injection in setup.cgi](https://junglewise.ai/threats/cve-2026-5351-trendnet-tew-657brm-os-command-injection-in-setup-cgi) (medium, CVSS 6.3, published 2 Apr 2026)
- [CVE-2026-5350: Trendnet TEW-657BRM stack overflow in setup.cgi](https://junglewise.ai/threats/cve-2026-5350-trendnet-tew-657brm-stack-overflow-in-setup-cgi) (high, CVSS 8.8, published 2 Apr 2026)
- [CVE-2026-5349: Trendnet TEW-657BRM stack overflow in setup.cgi](https://junglewise.ai/threats/cve-2026-5349-trendnet-tew-657brm-stack-overflow-in-setup-cgi) (high, CVSS 8.8, published 2 Apr 2026)
- [CVE-2025-65202: TRENDnet TEW-657BRM 1.00.1 has an authenticated remote OS command injection vulnerability in the setup.cgi binary…](https://junglewise.ai/threats/cve-2025-65202-trendnet-tew-657brm-1-00-1-has-an-authenticated-remote-os-command) (high, CVSS 8, published 26 Nov 2025)

## Most severe TRENDnet Tew-657brm Firmware vulnerabilities

- [CVE-2026-5350: Trendnet TEW-657BRM stack overflow in setup.cgi](https://junglewise.ai/threats/cve-2026-5350-trendnet-tew-657brm-stack-overflow-in-setup-cgi) (high, CVSS 8.8, published 2 Apr 2026)
- [CVE-2026-5349: Trendnet TEW-657BRM stack overflow in setup.cgi](https://junglewise.ai/threats/cve-2026-5349-trendnet-tew-657brm-stack-overflow-in-setup-cgi) (high, CVSS 8.8, published 2 Apr 2026)
- [CVE-2025-65202: TRENDnet TEW-657BRM 1.00.1 has an authenticated remote OS command injection vulnerability in the setup.cgi binary…](https://junglewise.ai/threats/cve-2025-65202-trendnet-tew-657brm-1-00-1-has-an-authenticated-remote-os-command) (high, CVSS 8, published 26 Nov 2025)
- [CVE-2026-5355: Trendnet TEW-657BRM command injection in setup.cgi](https://junglewise.ai/threats/cve-2026-5355-trendnet-tew-657brm-command-injection-in-setup-cgi) (medium, CVSS 6.3, published 2 Apr 2026)
- [CVE-2026-5354: Trendnet TEW-657BRM command injection in setup.cgi](https://junglewise.ai/threats/cve-2026-5354-trendnet-tew-657brm-command-injection-in-setup-cgi) (medium, CVSS 6.3, published 2 Apr 2026)
- [CVE-2026-5353: Trendnet TEW-657BRM command injection in setup.cgi](https://junglewise.ai/threats/cve-2026-5353-trendnet-tew-657brm-command-injection-in-setup-cgi) (medium, CVSS 6.3, published 2 Apr 2026)
- [CVE-2026-5351: Trendnet TEW-657BRM OS command injection in setup.cgi](https://junglewise.ai/threats/cve-2026-5351-trendnet-tew-657brm-os-command-injection-in-setup-cgi) (medium, CVSS 6.3, published 2 Apr 2026)
- [CVE-2026-5352: Trendnet TEW-657BRM OS command injection in setup.cgi](https://junglewise.ai/threats/cve-2026-5352-trendnet-tew-657brm-os-command-injection-in-setup-cgi) (medium, CVSS 6.3, published 2 Apr 2026)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 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-821DAP](https://junglewise.ai/threats/technologies/tew-821dap): 13 vulnerabilities
- [TRENDnet TEW-657BRM](https://junglewise.ai/threats/technologies/tew-657brm): 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-657brm Firmware vulnerabilities", https://junglewise.ai/threats/technologies/tew-657brm-firmware, 9 November 2026.