fangtang7 JetLinks 2.11 Device Metadata Import Interface import server-side request forgery

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.
6.1$0-$5k4.38-

Summaryinfo

A vulnerability identified as critical has been detected in fangtang7 JetLinks 2.11. This affects an unknown function of the file /device/instance/{productId}/property-metadata/import of the component Device Metadata Import Interface. The manipulation leads to server-side request forgery. This vulnerability is documented as CVE-2026-75340. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in fangtang7 JetLinks 2.11 and classified as critical. This issue affects some unknown functionality of the file /device/instance/{productId}/property-metadata/import of the component Device Metadata Import Interface. The manipulation with an unknown input leads to a server-side request forgery vulnerability. Using CWE to declare the problem leads to CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The device metadata import interface /device/instance/{productId}/property-metadata/import of jetlinks community 2.11 is vulnerable to Server-side request forgery (SSRF).

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-75340 since 08/17/2026. The exploitation is known to be easy. The attack may be initiated remotely. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/27/2026).

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-2026-66813). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.1

VulDB Base Score: 6.3
VulDB Temp Score: 6.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Server-side request forgery
CWE: CWE-918
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
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

08/17/2026 CVE reserved
08/26/2026 +9 days VulDB entry created
08/27/2026 +0 days Advisory disclosed
08/27/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2026-75340 (🔒)
GCVE (CVE): GCVE-0-2026-75340
GCVE (VulDB): GCVE-100-396041
EUVD: 🔒

Entryinfo

Created: 08/27/2026 01:30
Updated: 08/27/2026 04:24
Changes: 08/27/2026 01:30 (55), 08/27/2026 04:24 (2)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

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