TRENDnet TEW-821DAP up to 1.12B01 tools_diagnostic os command injection

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in TRENDnet TEW-821DAP up to 1.12B01. The impacted element is the function tools_diagnostic. This manipulation causes os command injection. This vulnerability only affects products that are no longer supported by the maintainer. This vulnerability is registered as CVE-2026-7608. Furthermore, an exploit is available. 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".

Detailsinfo

A vulnerability was found in TRENDnet TEW-821DAP up to 1.12B01. It has been declared as critical. Affected by this vulnerability is the function tools_diagnostic. The manipulation with an unknown input leads to a os command injection vulnerability. The CWE definition for the vulnerability is CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is shared at github.com. This vulnerability is known as CVE-2026-7608. The exploitation appears to be easy. Technical details and also a public exploit are known. MITRE ATT&CK project uses the attack technique T1202 for this issue.

It is possible to download the exploit at github.com. It is declared as proof-of-concept. 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".

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-26767). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

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Version

License

Support

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.0

VulDB Base Score: 5.5
VulDB Temp Score: 5.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

05/01/2026 Advisory disclosed
05/01/2026 +0 days VulDB entry created
05/02/2026 +1 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2026-7608 (🔒)
GCVE (CVE): GCVE-0-2026-7608
GCVE (VulDB): GCVE-100-360565
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 05/01/2026 14:12
Updated: 05/02/2026 12:10
Changes: 05/01/2026 14:12 (56), 05/02/2026 12:10 (1)
Complete: 🔍
Submitter: IOT_Res
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #806215: Trendnet TEW-821DAP v1.12B01 CWE-78 Improper Neutralization of Special Elements used in an OS (by IOT_Res)

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