Buffer overflow in Trendnet Tew-Wlc100p
CVE-2026-75783
A security vulnerability has been detected in TRENDnet TEW-WLC100P 12.07b01. Affected by this vulnerability is an unknown functionality of the file /sbin/netifd of the component DHCP blobmsg Handler. The manipulation leads to stack-based buffer overflow. The attack must be carried out from within the local network. The exploit has been disclosed publicly and may be used.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.006 (46.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 46.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.006 · change: +0.002
Affected products
- Trendnet Tew-Wlc100p — versions 12.07b01
Weakness classification (CWE)
References
- github.com/meishigana/CVE/blob/main/team15_20260702/01_wlc100p-netifd/poc/poc-n… (exploit)
- github.com/meishigana/CVE/tree/main/team15_20260702/01_wlc100p-netifd (related)
- vuldb.com/cve/CVE-2026-75783 (third-party-advisory)
- vuldb.com/submit/877772 (third-party-advisory)
- vuldb.com/vuln/391524 (vdb-entry)
- vuldb.com/vuln/391524/cti (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-75783?
- CVE-2026-75783 is a critical-severity vulnerability in Trendnet Tew-Wlc100p, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.6/10. Published 2026-08-18.
- How severe is CVE-2026-75783?
- Critical severity. CVSS v3 base score is 9.6 out of 10.