Century Systems FutureNet WXR-250 External Storage symlink

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability has been found in Century Systems FutureNet NXR-1420, FutureNet NXR-1300, FutureNet NXR-650, FutureNet NXR-610X, FutureNet NXR-530, FutureNet NXR-350, C, FutureNet NXR-230, FutureNet NXR-160, LW, FutureNet NXR-G540, FutureNet NXR-G260, FutureNet NXR-G240, FutureNet NXR-G180, L-CA, FutureNet NXR-G120, FutureNet NXR-G110, FutureNet NXR-G100, FutureNet NXR-G060, FutureNet NXR-G050, FutureNet VXR-x64, FutureNet VXR-x86, FutureNet NXR-1200, FutureNet NXR-130, FutureNet NXR-155, C-L, C-XW, C-WM, FutureNet NXR-125, CX, FutureNet NXR-120, SLW, SL, S, N, F and FutureNet WXR-250 and classified as critical. This impacts an unknown function of the component External Storage Handler. This manipulation causes symlink. This vulnerability appears as CVE-2025-30485. It is feasible to perform the attack on the physical device. There is no available exploit.

Detailsinfo

A vulnerability classified as critical was found in Century Systems FutureNet NXR-1420, FutureNet NXR-1300, FutureNet NXR-650, FutureNet NXR-610X, FutureNet NXR-530, FutureNet NXR-350, C, FutureNet NXR-230, FutureNet NXR-160, LW, FutureNet NXR-G540, FutureNet NXR-G260, FutureNet NXR-G240, FutureNet NXR-G180, L-CA, FutureNet NXR-G120, FutureNet NXR-G110, FutureNet NXR-G100, FutureNet NXR-G060, FutureNet NXR-G050, FutureNet VXR-x64, FutureNet VXR-x86, FutureNet NXR-1200, FutureNet NXR-130, FutureNet NXR-155, C-L, C-XW, C-WM, FutureNet NXR-125, CX, FutureNet NXR-120, SLW, SL, S, N, F and FutureNet WXR-250. Affected by this vulnerability is an unknown part of the component External Storage Handler. The manipulation with an unknown input leads to a symlink vulnerability. The CWE definition for the vulnerability is CWE-61. The product, when opening a file or directory, does not sufficiently account for when the file is a symbolic link that resolves to a target outside of the intended control sphere. This could allow an attacker to cause the product to operate on unauthorized files. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

UNIX symbolic link (Symlink) following issue exists in FutureNet NXR series, VXR series and WXR series routers. Attaching to the affected product an external storage containing malicious symbolic link files, a logged-in administrative user may obtain and/or destroy internal files.

It is possible to read the advisory at centurysys.co.jp. This vulnerability is known as CVE-2025-30485 since 03/24/2025. The exploitation appears to be easy. Attacking locally is a requirement. Additional levels of successful authentication are necessary for exploitation. The technical details are unknown and an exploit is not publicly available.

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

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Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.2
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 6.2
CNA Vector (jpcert): 🔍

CVSSv2info

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

Exploitinginfo

Class: Symlink
CWE: CWE-61 / CWE-59
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
Local: Yes
Remote: No

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

03/24/2025 🔍
04/03/2025 +9 days 🔍
04/03/2025 +0 days 🔍
04/03/2025 +0 days 🔍

Sourcesinfo

Advisory: centurysys.co.jp
Status: Confirmed

CVE: CVE-2025-30485 (🔍)
GCVE (CVE): GCVE-0-2025-30485
GCVE (VulDB): GCVE-100-303103

Entryinfo

Created: 04/03/2025 08:49
Changes: 04/03/2025 08:49 (61)
Complete: 🔍
Cache ID: 216::103

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