PT-2026-29836 · Trendnet · Tew-657Brm+1

Panda_0X1 · CVE-2026-5355 · Published 2026-04-02 · Updated 2026-04-02

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Trendnet TEW-657BRM version 1.00.1

Description A remote OS command injection is possible via the vpn drop() function within the '/setup.cgi' endpoint. This occurs when the policy name argument is manipulated, allowing an attacker to execute arbitrary system commands.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

OS Command Injection

Command Injection

Weakness Enumeration

CWE-78

CWE-77

Related Identifiers

CVE-2026-5355

Affected Products

Tew-657Brm

Tew-657Brm Firmware

References · 5

• 🔥 https://github.com/panda666-888/vuls/blob/main/trendnet/tew-657brm/vpn_drop.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-5355 · Security Note
• https://vuldb.com/vuln/354708 · Note
• https://vuldb.com/vuln/354708/cti · Note
• https://vuldb.com/submit/781569 · Note