CVE-2026-15483

HIGH

TRENDnet TEW-821DAP ssi tools_nslookup sub_41EC14 buffer overflow

Title source: cna

Description

A security vulnerability has been detected in TRENDnet TEW-821DAP 1.12B01. Impacted is the function sub_41EC14 of the file /goform/tools_nslookup of the component ssi. The manipulation of the argument nslookup_target leads to buffer overflow. It is possible to initiate the attack remotely. The vendor explains: "We are unable to confirm the existence of the vulnerabilities for (...) TEW-821DAP (v1.0R) as these items have been EOL. " This vulnerability only affects products that are no longer supported by the maintainer.

References (5)

Core 5

Core References

Vdb Entry, Technical Description vdb-entry technical-description

VDB-377790 | TRENDnet TEW-821DAP ssi tools_nslookup sub_41EC14 buffer overflow

https://vuldb.com/vuln/377790

Signature, Permissions Required signature permissions-required

VDB-377790 | CTI Indicators (IOB, IOC, IOA)

https://vuldb.com/vuln/377790/cti

Third Party Advisory third-party-advisory

CVE-2026-15483 | CVE Analysis and Report

https://vuldb.com/cve/CVE-2026-15483

Third Party Advisory third-party-advisory

Submit #842380 | Trendnet TEW-821DAP v1.12B01 CWE-120 Buffer Copy without Checking Size of Input ('Classic Buf

https://vuldb.com/submit/842380

Patch patch

https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Trendnet/TEW-821DAP_BO2.md

View Patch ZIP pw:eip

Scores

CVSS v3 8.8

EPSS 0.0046

EPSS Percentile 37.0%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE

CWE-119 CWE-120

Status published

Products (1)

TRENDnet/TEW-821DAP 1.12B01

Published Jul 12, 2026

Tracked Since Jul 12, 2026