CVE-2026-15485: OS Command Injection in TRENDnet TEW-821DAP
A flaw has been found in TRENDnet TEW-821DAP 1.11B03. The impacted element is the function sub_43F2C4 of the file /goform/tools_nslookup of the component DNS Lookup Handler. This manipulation of the argument nslookup_target/dns_server causes os command injection. The attack can be initiated 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.
AI Analysis
Technical Summary
This vulnerability affects TRENDnet TEW-821DAP version 1.11B03. An attacker can remotely exploit the DNS Lookup Handler's sub_43F2C4 function by manipulating the nslookup_target or dns_server parameters, causing OS command injection. The vendor has indicated that this product is end-of-life (EOL) and does not confirm vulnerability existence in earlier versions. No official remediation or patch has been provided.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary OS commands on the affected device with limited privileges, potentially compromising device integrity and network security. The vulnerability is rated medium severity with a CVSS 4.0 score of 5.3. There are no known exploits in the wild.
Mitigation Recommendations
No official patch or remediation is available as the affected product version is end-of-life and unsupported by the vendor. Users should consider discontinuing use of the affected device or isolating it from untrusted networks to reduce risk.
CVE-2026-15485: OS Command Injection in TRENDnet TEW-821DAP
Description
A flaw has been found in TRENDnet TEW-821DAP 1.11B03. The impacted element is the function sub_43F2C4 of the file /goform/tools_nslookup of the component DNS Lookup Handler. This manipulation of the argument nslookup_target/dns_server causes os command injection. The attack can be initiated 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 5.3medium
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects TRENDnet TEW-821DAP version 1.11B03. An attacker can remotely exploit the DNS Lookup Handler's sub_43F2C4 function by manipulating the nslookup_target or dns_server parameters, causing OS command injection. The vendor has indicated that this product is end-of-life (EOL) and does not confirm vulnerability existence in earlier versions. No official remediation or patch has been provided.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary OS commands on the affected device with limited privileges, potentially compromising device integrity and network security. The vulnerability is rated medium severity with a CVSS 4.0 score of 5.3. There are no known exploits in the wild.
Mitigation Recommendations
No official patch or remediation is available as the affected product version is end-of-life and unsupported by the vendor. Users should consider discontinuing use of the affected device or isolating it from untrusted networks to reduce risk.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-07-11T10:12:21.398Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a53477c68715ace437f9f05
Added to database: 07/12/2026, 07:51:24 UTC
Last enriched: 07/19/2026, 19:05:33 UTC
Last updated: 08/25/2026, 10:52:07 UTC
Views: 117
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
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
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.