CVE-2026-5355A vulnerability has been found in Trendnet TEW-657BRM 1.00.1.
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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A vulnerability has been found in Trendnet TEW-657BRM 1.00.1. Affected by this issue is the function vpn_drop of the file /setup.cgi. The manipulation of the argument policy_name leads to os command injection. The attack is possible to be carried out remotely. The exploit has been disclosed to the 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.
- CVSS
- 8.8 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-77, CWE-78
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Jul 24, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
trendnet tew-657brm_firmware trendnet:tew-657brm_firmware | 1.00.1 | NVD |
References
- https://github.com/panda666-888/vuls/blob/main/trendnet/tew-657brm/vpn_drop.mdexploit, third-party-advisory
- https://vuldb.com/submit/781569third-party-advisory, vdb-entry
- https://vuldb.com/vuln/354708third-party-advisory, vdb-entry
- https://vuldb.com/vuln/354708/ctipermissions-required, vdb-entry
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.