HIGH · 8.8

CVE-2026-5349

A vulnerability was identified in Trendnet TEW-657BRM 1.00.1. The affected element is the function add_apcdb of the file /setup.cgi. The manipulation of the argument mac_pc_dba leads to stack-based bu...

Vulnerability Description

A vulnerability was identified in Trendnet TEW-657BRM 1.00.1. The affected element is the function add_apcdb of the file /setup.cgi. The manipulation of the argument mac_pc_dba leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit is publicly available and might 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 Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
TrendnetTew-657Brm Firmware1.00.1
TrendnetTew-657Brm-

Related Weaknesses (CWE)

References

FAQ

What is CVE-2026-5349?

CVE-2026-5349 is a vulnerability with a CVSS score of 8.8 (HIGH). A vulnerability was identified in Trendnet TEW-657BRM 1.00.1. The affected element is the function add_apcdb of the file /setup.cgi. The manipulation of the argument mac_pc_dba leads to stack-based bu...

How severe is CVE-2026-5349?

CVE-2026-5349 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-5349?

Check the references section above for vendor advisories and patch information. Affected products include: Trendnet Tew-657Brm Firmware, Trendnet Tew-657Brm.