High severity · published Apr 2, 2026
CVE-2026-5352
Trendnet TEW-657BRM setup.cgi edit os command injection
8.8
CVSS
4.5%
EPSS
No
On KEV
Description
A security vulnerability has been detected in Trendnet TEW-657BRM 1.00.1. This impacts the function Edit of the file /setup.cgi. Such manipulation of the argument pcdb_list leads to os command injection. The attack may be launched remotely. The exploit has been disclosed publicly 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 vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)4.5% · higher than 92% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TE
TEW-657BRM · Trendnet
1.00.1 · source: vendor
TF
Tew-657brm Firmware · Trendnet
1.00.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-5352
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-5352
Exploit
https://github.com/panda666-888/vuls/blob/main/trendnet/tew-657brm/edit.md
Third Party Advisory
https://vuldb.com/submit/781565
Third Party Advisory
https://vuldb.com/vuln/354705
Permissions Required
https://vuldb.com/vuln/354705/cti
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