KAYSUS KS-WR3600 1.0.5.9.1 Backup Endpoint /etc/shadow information disclosure
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.2 | $0-$5k | 0.00 |
Summary
A vulnerability has been found in KAYSUS KS-WR3600 1.0.5.9.1 and classified as problematic. The affected element is an unknown function of the file /etc/shadow of the component Backup Endpoint. Performing a manipulation results in information disclosure. This vulnerability was named CVE-2025-68719. The attack may be initiated remotely. There is no available exploit.
Details
A vulnerability, which was classified as problematic, was found in KAYSUS KS-WR3600 1.0.5.9.1. This affects an unknown part of the file /etc/shadow of the component Backup Endpoint. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. The summary by CVE is:
KAYSUS KS-WR3600 routers with firmware 1.0.5.9.1 mishandle configuration management. Once any user is logged in and maintains an active session, an attacker can directly query the backup endpoint and download a full configuration archive. This archive contains sensitive files such as /etc/shadow, enabling credential recovery and potential full compromise of the device.
This vulnerability is uniquely identified as CVE-2025-68719 since 12/24/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.
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-2026-1453). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.3VulDB Meta Temp Score: 4.2
VulDB Base Score: 4.3
VulDB Temp Score: 4.2
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Information disclosureCWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
12/24/2025 CVE reserved01/09/2026 Advisory disclosed
01/09/2026 VulDB entry created
01/09/2026 VulDB entry last update
Sources
Status: Not definedCVE: CVE-2025-68719 (🔒)
GCVE (CVE): GCVE-0-2025-68719
GCVE (VulDB): GCVE-100-340203
EUVD: 🔒
Entry
Created: 01/09/2026 01:23Updated: 01/09/2026 18:31
Changes: 01/09/2026 01:23 (53), 01/09/2026 18:31 (1)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.