TRENDnet TEW-821DAP 1.12B01 Firmware Update find_hwid/new_gui_update_firmware dest data authenticity

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.6$0-$5k0.00

Summaryinfo

A vulnerability was found in TRENDnet TEW-821DAP 1.12B01. It has been rated as critical. Impacted is the function find_hwid/new_gui_update_firmware of the component Firmware Update Handler. The manipulation of the argument dest leads to data authenticity. This vulnerability only affects products that are no longer supported by the maintainer. This vulnerability is listed as CVE-2026-7606. The attack may be initiated remotely. There is no available exploit. 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 1.12B01 and classified as problematic. This issue affects the function find_hwid/new_gui_update_firmware of the component Firmware Update Handler. The manipulation of the argument dest with an unknown input leads to a data authenticity vulnerability. Using CWE to declare the problem leads to CWE-345. The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data. Impacted is integrity.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-7606. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/02/2026).

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-2026-26760). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.6

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
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: Data authenticity
CWE: CWE-345
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

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-2026-7606 (🔒)
GCVE (CVE): GCVE-0-2026-7606
GCVE (VulDB): GCVE-100-360563
EUVD: 🔒

Entryinfo

Created: 05/01/2026 14:12
Updated: 05/02/2026 12:10
Changes: 05/01/2026 14:12 (55), 05/02/2026 12:10 (1)
Complete: 🔍
Submitter: IOT_Res
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #806213: Trendnet TEW-821DAP v1.12B01 CWE-287 Improper Authentication (by IOT_Res)

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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