What is CVE-2026-4354?

CVE-2026-4354 is a low-severity vulnerability in Trendnet Tew-824dru, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2026-03-18.

How severe is CVE-2026-4354?

Low severity. CVSS v3 base score is 3.5 out of 10.

RCE in Trendnet Tew-824dru

CVE-2026-4354

A vulnerability was identified in TRENDnet TEW-824DRU 1.010B01/1.04B01. The impacted element is the function sub_420A78 of the file apply_sec.cgi of the component Web Interface. Such manipulation of the argument Language leads to cross sit…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (12.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N.

Affected products

Trendnet Tew-824dru — versions 1.010B01, 1.04B01

Weakness classification (CWE)

References

VDB-351381 | TRENDnet TEW-824DRU Web apply_sec.cgi sub_420A78 cross site scripting (technical-description, vdb-entry)
VDB-351381 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, permissions-required)
Submit #772660 | TRENDnet TEW-824DRU v1.04B01 Denial of Service (third-party-advisory)
cna@vuldb.com (issue-tracking, exploit)

Frequently asked questions

What is CVE-2026-4354?: CVE-2026-4354 is a low-severity vulnerability in Trendnet Tew-824dru, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2026-03-18.
How severe is CVE-2026-4354?: Low severity. CVSS v3 base score is 3.5 out of 10.