Buffer Overflow Vulnerability in TRENDnet TEW-WLC100P Router
CVE-2026-75783

9.4CRITICAL

Key Information:

Vendor

Trendnet

Status
Tew-wlc100p
Vendor
CVE Published:
18 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-75783?

A security vulnerability has been identified in the TRENDnet TEW-WLC100P router, specifically within the DHCP blobmsg handler associated with the netifd file. This issue can lead to a stack-based buffer overflow, requiring the attacker to be present on the local network to execute the exploit. Public disclosure of this vulnerability has raised concerns, as it could potentially compromise network security if not addressed promptly.

Affected Version(s)

TEW-WLC100P 12.07b01

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-75783 - Proof of Concept

References

https://vuldb.com/vuln/391524
vdb-entry
https://vuldb.com/vuln/391524/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-75783
third-party-advisory

CVSS V4

Score:
9.4
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

fuhanhan2014 (VulDB User)
.