CVE-2025-65202: TRENDnet TEW-657BRM · OS Command Injection
Source CVE Database V5
Not known to be exploited · CVSS 8.0 High.
Data as of 26 Oct 2026, 16:39 UTC
- EPSS
- 6.6% chance of exploitation in 30 days – higher than 93% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 26 Nov 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
AI-suggested
- Immediately restrict access to the router’s management interface by limiting it to trusted internal networks and disabling remote management if not essential.
- Enforce strong, unique passwords for all administrative accounts and disable default credentials.
- Monitor router logs and network traffic for unusual commands or access patterns indicative of exploitation attempts.
- Implement network segmentation to isolate critical systems from devices running vulnerable firmware.
- Regularly audit and update device firmware; coordinate with TRENDnet for timely patch releases addressing this vulnerability.
- Employ multi-factor authentication for device management where supported to reduce risk from credential compromise.
- Use intrusion detection/prevention systems to detect anomalous HTTP requests targeting the vulnerable parameters.
- Educate network administrators about this vulnerability and the importance of secure device configuration.
- Consider replacing affected devices with models from vendors with stronger security track records if patches are delayed or unavailable.
Description
TRENDnet TEW-657BRM 1.00.1 has an authenticated remote OS command injection vulnerability in the setup.cgi binary, exploitable via the HTTP parameters "command", "todo", and "next_file," which allows an attacker to execute arbitrary commands with root privileges.