VDB-389978 · Submit #870586 · CVE-2026-19841

TRENDNET TEW-813DRU 1.01b01 vsftpd /etc/vsftpd.conf default permission

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.0	$0-$5k	1.12

Summaryinfo

A vulnerability categorized as critical has been discovered in TRENDNET TEW-813DRU 1.01b01. The affected element is an unknown function of the file /etc/vsftpd.conf of the component vsftpd. Such manipulation leads to default permission. This vulnerability only affects products that are no longer supported by the maintainer. This vulnerability is listed as CVE-2026-19841. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in TRENDNET TEW-813DRU 1.01b01. It has been rated as problematic. Affected by this issue is an unknown functionality of the file /etc/vsftpd.conf of the component vsftpd. The manipulation with an unknown input leads to a default permission vulnerability. Using CWE to declare the problem leads to CWE-276. During installation, installed file permissions are set to allow anyone to modify those files. Impacted is integrity.

The advisory is available at app.notion.com. This vulnerability is handled as CVE-2026-19841. The exploitation is known to be difficult. The attack may be launched remotely. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 08/14/2026). This vulnerability is assigned to T1222 by the MITRE ATT&CK project.

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

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

TRENDNET

Name

TEW-813DRU

Version

1.01b01

License

commercial

Support

end of life

CPE 2.3info

🔒

CPE 2.2info

🔒

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.1
VulDB Meta Temp Score: 3.0

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Default permission
CWE: CWE-276 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

08/14/2026 Advisory disclosed
08/14/2026 +0 days VulDB entry created
08/14/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: app.notion.com
Status: Not defined

CVE: CVE-2026-19841 (🔒)
GCVE (CVE): GCVE-0-2026-19841
GCVE (VulDB): GCVE-100-389978

Entryinfo

Created: 08/14/2026 10:02
Changes: 08/14/2026 10:02 (53)
Complete: 🔍
Submitter: L14Utopia
Cache ID: 216::103

Submitinfo

Accepted

Submit #870586: TRENDNET TEW-813DRU TEW-813DRU 1.01b01 Misconfiguration (by L14Utopia)