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CVE-2026-7607

TRENDnet TEW-821DAP Firmware Udpate auto_update_firmware buffer overflow

Published: May 2, 2026Updated: May 6, 2026 Sources: CVE List NVDCWE-119
NVD MITRE
8.8CVSSHIGH
EPSS Score
0.6%
Top 54.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

Description

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.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-119CWE-120

Affected Products

TEW-821DAPTRENDnetNetworking Infrastructure
tew-821dap firmwaretrendnetNetworking Infrastructure
trendnetcommercialUSNetworking Infrastructureaka trendnet inc.

Attack Graph

Products CVE Techniques Tactics

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Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://vuldb.com/vuln/360564
vuldb.com
https://vuldb.com/vuln/360564/cti
vuldb.com
https://vuldb.com/submit/806214
vuldb.com
and 1 more references View all →

Timeline

Published
May 2, 2026
Last Updated
May 6, 2026

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