Is CVE-2026-5353 actively exploited?

No active exploitation of CVE-2026-5353 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-5353 be exploited remotely?

Yes. CVE-2026-5353 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-5353?

CVE-2026-5353 has a CVSS score of 8.8 (HIGH).

HOME VULNERABILITIESCVE-2026-5353

HIGH

CVE-2026-5353

CWE-77Published: April 2, 2026· Updated: Apr 7, 2026

8.8

CVSS v3.1

EPSS:1.06%probability of exploitation in 30 daysPercentile:77.6th

Official 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.

NVD Source

Technical Analysis

CVE-2026-5353 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.