CVE-2026-5353 Details
Description
A vulnerability was detected in Trendnet TEW-657BRM 1.00.1. Affected is the function ping_test of the file /setup.cgi. Performing a manipulation of the argument c4_IPAddr results in os command injection. Remote exploitation of the attack is possible. The exploit is now public and may be used. The vendor confirms, that "[t]he product in question (...) has been discontinued and end of life since June 23, 2011, that is more than 14 years ago. We no longer provide support for this product, so we are not able to confirm the vulnerabilities. We will make an announcement on our website's product support page and notify customers who registered their products with us." This vulnerability only affects products that are no longer supported by the maintainer.
A remote operating system command injection vulnerability has been identified in the Trendnet TEW-657BRM router, specifically in version 1.00.1. The issue arises in the 'ping_test' function of the '/setup.cgi' file, where the 'c4_IPAddr' parameter can be manipulated to inject and execute arbitrary commands on the operating system. This vulnerability is present in a product that has been discontinued and is no longer supported by the vendor.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Apr 2, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/panda666-888/vuls/blob/main/trendnet/tew-657brm/ping_test.md | [email protected] | ExploitThird Party Advisory |
| https://vuldb.com/submit/781566 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/vuln/354706 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/vuln/354706/cti | [email protected] | Permissions RequiredVDB Entry |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-77 | Improper Neutralization of Special Elements used in a Command ('Command Injection') | [email protected] |
| CWE-78 | Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| trendnet tew-657brm firmware | 1.00.1 |
CPE
Remediation
| |
| trendnet tew-657brm | All versions |
CPE
Remediation
| |
Change History
6 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 24, 2026 | CVE Translated | [email protected] |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 29, 2026 | Data Remediation | [email protected] |
| Apr 7, 2026 | Initial Analysis | [email protected] |
| Apr 2, 2026 | New CVE Received | [email protected] |