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CVE-2026-75783: Stack-based Buffer Overflow in TRENDnet TEW-WLC100P

0
Critical
VulnerabilityCVE-2026-75783cvecve-2026-75783
Published: 08/18/2026 (08/18/2026, 12:45:10 UTC)
Source: CVE Database V5
Vendor/Project: TRENDnet
Product: TEW-WLC100P

Description

CVE-2026-75783 is a critical stack-based buffer overflow vulnerability in the DHCP blobmsg Handler component of the /sbin/netifd file on TRENDnet TEW-WLC100P version 12.07b01. Exploitation requires local network access. The vulnerability has a high CVSS 4.0 score of 9.4 and public exploit details have been disclosed.

CVSS v4.0

Score 9.4critical

Attack Vector
Adjacent Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Vuln. Confidentiality
High
Vuln. Integrity
High
Vuln. Availability
High
Subsq. Confidentiality
High
Subsq. Integrity
High
Subsq. Availability
High
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P

Affected software

TRENDnet

TEW-WLC100P

Affected versions
=12.07b01

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/11/2026, 21:47:52 UTC

Technical Analysis

This vulnerability affects TRENDnet TEW-WLC100P firmware version 12.07b01. It arises from a stack-based buffer overflow in an unspecified functionality within the DHCP blobmsg Handler of the /sbin/netifd component. The flaw can be triggered by an attacker with local network access, potentially leading to severe impacts as indicated by the CVSS vector. Public exploit information is available, though no known exploits are reported in the wild. No patch or remediation details have been provided.

Potential Impact

Successful exploitation of this vulnerability could allow an attacker on the local network to cause a stack-based buffer overflow, which may lead to arbitrary code execution or denial of service. The CVSS 4.0 score of 9.4 reflects critical severity with high impact on confidentiality, integrity, availability, and security controls.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict local network access to trusted users and monitor for suspicious activity related to DHCP services on the device.

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Technical Details

Data Version
5.2
Assigner Short Name
VulDB
Date Reserved
2026-08-18T06:49:50.741Z
Cvss Version
4.0
State
PUBLISHED

Threat ID: 6a845899c6e8be03323b0b0f

Added to database: 08/18/2026, 13:05:29 UTC

Last enriched: 09/11/2026, 21:47:52 UTC

Last updated: 10/03/2026, 02:46:06 UTC

Views: 164

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