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 site scripting. It is possible to launch the attack remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.002 (9.1th 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
- cna@vuldb.com (technical-description, vdb-entry)
- cna@vuldb.com (signature, permissions-required)
- cna@vuldb.com (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.