Buffer Overflow Vulnerability in TRENDnet TEW-821DAP Wi-Fi Access Point
CVE-2026-15483

8.7HIGH

Key Information:

Vendor

Trendnet

Status
Tew-821dap
Vendor
CVE Published:
12 July 2026

What is CVE-2026-15483?

A buffer overflow vulnerability has been identified within the TRENDnet TEW-821DAP Wi-Fi Access Point due to improper handling of user input in the nslookup_target argument in the /goform/tools_nslookup function. This flaw allows attackers to exploit the vulnerability remotely, potentially leading to unauthorized access or disruption of services. The vulnerability affects versions that are no longer actively supported, highlighting the risk of using end-of-life (EOL) products. TRENDnet has acknowledged the issue but cannot confirm vulnerabilities in earlier EOL versions, emphasizing the importance of utilizing supported devices.

Affected Version(s)

TEW-821DAP 1.12B01

References

https://vuldb.com/vuln/377790
vdb-entrytechnical-description
https://vuldb.com/vuln/377790/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-15483
third-party-advisory

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

IOT_Res (VulDB User)
VulDB CNA Team
.