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CVE Vulnerability Details :
CVE-2026-7607
PUBLISHED
More InfoOfficial Page
Assigner-VulDB
Assigner Org ID-1af790b2-7ee1-4545-860a-a788eba489b5
View Known Exploited Vulnerability (KEV) details
Published At-02 May, 2026 | 07:00
Updated At-04 May, 2026 | 15:52
Rejected At-
▼CVE Numbering Authority (CNA)
TRENDnet TEW-821DAP Firmware Udpate auto_update_firmware buffer overflow

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.

Affected Products
Vendor
TRENDnet, Inc.TRENDnet
Product
TEW-821DAP
CPEs
  • cpe:2.3:o:trendnet:tew-821dap_firmware:*:*:*:*:*:*:*:*
Modules
  • Firmware Udpate
Versions
Affected
  • 1.12B01
Problem Types
TypeCWE IDDescription
CWECWE-120Buffer Overflow
CWECWE-119Memory Corruption
Type: CWE
CWE ID: CWE-120
Description: Buffer Overflow
Type: CWE
CWE ID: CWE-119
Description: Memory Corruption
Metrics
VersionBase scoreBase severityVector
4.08.7HIGH
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
3.18.8HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:R
3.08.8HIGH
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:R
2.09.0N/A
AV:N/AC:L/Au:S/C:C/I:C/A:C/E:ND/RL:ND/RC:UR
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
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/E:X/RL:X/RC:R
Version: 3.0
Base score: 8.8
Base severity: HIGH
Vector:
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:R
Version: 2.0
Base score: 9.0
Base severity: N/A
Vector:
AV:N/AC:L/Au:S/C:C/I:C/A:C/E:ND/RL:ND/RC:UR
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
reporter
IOT_Res (VulDB User)
coordinator
VulDB CNA Team
Timeline
EventDate
Advisory disclosed2026-05-01 00:00:00
VulDB entry created2026-05-01 02:00:00
VulDB entry last update2026-05-01 14:12:51
Event: Advisory disclosed
Date: 2026-05-01 00:00:00
Event: VulDB entry created
Date: 2026-05-01 02:00:00
Event: VulDB entry last update
Date: 2026-05-01 14:12:51
Replaced By
Rejected Reason
References
HyperlinkResource
https://vuldb.com/vuln/360564
vdb-entry
technical-description
https://vuldb.com/vuln/360564/cti
signature
permissions-required
https://vuldb.com/submit/806214
third-party-advisory
https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Trendnet/TEW-821DAP_BO.md
patch
Hyperlink: https://vuldb.com/vuln/360564
Resource:
vdb-entry
technical-description
Hyperlink: https://vuldb.com/vuln/360564/cti
Resource:
signature
permissions-required
Hyperlink: https://vuldb.com/submit/806214
Resource:
third-party-advisory
Hyperlink: https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Trendnet/TEW-821DAP_BO.md
Resource:
patch
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found