Privilege escalation in Trendnet Tew-813dru
CVE-2026-19841
A flaw has been found in TRENDNET TEW-813DRU 1.01b01. Impacted is an unknown function of the file /etc/vsftpd.conf of the component vsftpd. This manipulation causes incorrect default permissions. The attack is possible to be carried out remotely. A high degree of complexity is needed for the attack. The exploitability is considered difficult. This vulnerability only affects products that are no longer supported by the maintainer.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.1 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (19.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 19.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001
Affected products
- Trendnet Tew-813dru — versions 1.01b01
Weakness classification (CWE)
References
- vuldb.com/vuln/389978 (vdb-entry)
- vuldb.com/vuln/389978/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-19841 (third-party-advisory)
- vuldb.com/submit/870586 (third-party-advisory)
- app.notion.com/p/TEW-813DRU-1-01b01-38b1f5ba98908059a7beefc2fe6dd50f (related)
Frequently asked questions
- What is CVE-2026-19841?
- CVE-2026-19841 is a low-severity vulnerability in Trendnet Tew-813dru, classified under Incorrect Privilege Assignment. CVSS score: 3.1/10. Published 2026-08-14.
- How severe is CVE-2026-19841?
- Low severity. CVSS v3 base score is 3.1 out of 10.