Skip to main content
Press slash or control plus K to focus the search. Use the arrow keys to navigate results and press enter to open a threat.
Reconnecting to live updates…

CVE-2026-15484: Buffer Overflow in TRENDnet TEW-821DAP

0
High
VulnerabilityCVE-2026-15484cvecve-2026-15484
Published: 07/12/2026 (07/12/2026, 06:30:06 UTC)
Source: CVE Database V5
Vendor/Project: TRENDnet
Product: TEW-821DAP

Description

A vulnerability was detected in TRENDnet TEW-821DAP 1.12B01. The affected element is the function sub_41EC14 of the file /goform/tools_nslookup of the component ssi. The manipulation results in buffer overflow. It is possible to launch 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.

CVSS v4.0

Score 8.7high

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Vuln. Confidentiality
High
Vuln. Integrity
High
Vuln. Availability
High
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
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

Affected software

Affected versions
1.12B01

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 07/12/2026, 07:02:30 UTC

Technical Analysis

The vulnerability CVE-2026-15484 affects TRENDnet TEW-821DAP version 1.12B01. It is a buffer overflow in the sub_41EC14 function of the /goform/tools_nslookup component, allowing remote attackers to potentially execute code or cause denial of service. The vendor has indicated that this product is end-of-life and does not confirm the vulnerability for other versions. No official patch or remediation is available.

Potential Impact

Successful exploitation of this vulnerability could lead to remote code execution or denial of service on the affected device. Given the CVSS 4.0 score of 8.7, the impact is high with high confidentiality, integrity, and availability impact. However, since the product is no longer supported, no vendor fixes are expected.

Mitigation Recommendations

No official fix or patch is available as the affected product is end-of-life and unsupported. Users should consider discontinuing use of the affected device or isolating it from untrusted networks to reduce exposure. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance if available.

Pro Console: star threats, build custom feeds, automate alerts via Slack, email & webhooks.Upgrade to Pro

Technical Details

Data Version
5.2
Assigner Short Name
VulDB
Date Reserved
2026-07-11T10:12:18.573Z
Cvss Version
4.0
State
PUBLISHED
Remediation Level
null

Threat ID: 6a5338ac68715ace435c8f39

Added to database: 07/12/2026, 06:48:12 UTC

Last enriched: 07/12/2026, 07:02:30 UTC

Last updated: 07/12/2026, 08:17:00 UTC

Views: 27

Community Reviews

0 reviews

Crowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.

Sort by
Loading community insights…

Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.

Actions

PRO

Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.

Please log in to the Console to use AI analysis features.

Need more coverage?

Upgrade to Pro Console for AI refresh and higher limits.

For incident response and remediation, OffSeq services can help resolve threats faster.

Latest Threats

Breach by OffSeqOFFSEQFRIENDS — 25% OFF

Check if your credentials are on the dark web

Instant breach scanning across billions of leaked records. Free tier available.

Scan now
OffSeq TrainingCredly Certified

Lead Pen Test Professional

Technical5-day eLearningPECB Accredited
View courses