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NVD Vulnerability Details :
CVE-2026-7607
Analyzed
More InfoOfficial Page
Source-cna@vuldb.com
View Known Exploited Vulnerability (KEV) details
Published At-02 May, 2026 | 08:16
Updated At-06 May, 2026 | 20:23

A security vulnerability has been detected in TRENDnet TEW-821DAP 1.12B01. Impacted is the function auto_update_firmware of the component Firmware Udpate. The manipulation of the argument str leads to buffer overflow. The attack may be initiated remotely. The vendor explains: "That firmware version will only work on our hardware version v1.xR. We have already EOL that product 8 years ago and are no longer selling". This vulnerability only affects products that are no longer supported by the maintainer.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.08.7HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Primary3.18.8HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Secondary2.09.0HIGH
AV:N/AC:L/Au:S/C:C/I:C/A:C
Type: Secondary
Version: 4.0
Base score: 8.7
Base severity: HIGH
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Type: Primary
Version: 3.1
Base score: 8.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Type: Secondary
Version: 2.0
Base score: 9.0
Base severity: HIGH
Vector:
AV:N/AC:L/Au:S/C:C/I:C/A:C
CPE Matches
TRENDnet, Inc.
trendnet
>>tew-821dap_firmware>>1.12b01
cpe:2.3:o:trendnet:tew-821dap_firmware:1.12b01:*:*:*:*:*:*:*
TRENDnet, Inc.
trendnet
>>tew-821dap>>1.0r
cpe:2.3:h:trendnet:tew-821dap:1.0r:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-119Primarycna@vuldb.com
CWE-120Primarycna@vuldb.com
CWE ID: CWE-119
Type: Primary
Source: cna@vuldb.com
CWE ID: CWE-120
Type: Primary
Source: cna@vuldb.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Trendnet/TEW-821DAP_BO.mdcna@vuldb.com
Exploit
Third Party Advisory
https://vuldb.com/submit/806214cna@vuldb.com
Third Party Advisory
VDB Entry
https://vuldb.com/vuln/360564cna@vuldb.com
Third Party Advisory
VDB Entry
https://vuldb.com/vuln/360564/cticna@vuldb.com
Permissions Required
VDB Entry
Hyperlink: https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Trendnet/TEW-821DAP_BO.md
Source: cna@vuldb.com
Resource:
Exploit
Third Party Advisory
Hyperlink: https://vuldb.com/submit/806214
Source: cna@vuldb.com
Resource:
Third Party Advisory
VDB Entry
Hyperlink: https://vuldb.com/vuln/360564
Source: cna@vuldb.com
Resource:
Third Party Advisory
VDB Entry
Hyperlink: https://vuldb.com/vuln/360564/cti
Source: cna@vuldb.com
Resource:
Permissions Required
VDB Entry
Change History
0Changes found
Details not found