FS S3150-8T2F 8-Port Gigabit Ethernet L2+ Switch up to 2.1.x Base64 Encoding cleartext transmission

CVSS Meta Temp Score
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CTI Interest Score
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3.6$0-$5k0.53

Summaryinfo

A vulnerability classified as problematic has been found in FS S3150-8T2F 8-Port Gigabit Ethernet L2+ Switch up to 2.1.x. Affected is an unknown function of the component Base64 Encoding Handler. The manipulation leads to cleartext transmission. This vulnerability is documented as CVE-2025-25613. The attack can be initiated remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in FS S3150-8T2F 8-Port Gigabit Ethernet L2+ Switch up to 2.1.x. This issue affects some unknown processing of the component Base64 Encoding Handler. The manipulation with an unknown input leads to a cleartext transmission vulnerability. Using CWE to declare the problem leads to CWE-319. The product transmits sensitive or security-critical data in cleartext in a communication channel that can be sniffed by unauthorized actors. Impacted is confidentiality. The summary by CVE is:

FS Inc S3150-8T2F 8-Port Gigabit Ethernet L2+ Switch, 8 x Gigabit RJ45, with 2 x 1Gb SFP, Fanless. All versions before 2.2.0D Build 135103 were discovered to transmit cookies for their web based administrative application containing usernames and passwords. These were transmitted in cleartext using simple base64 encoding during every POST request made to the server.

The identification of this vulnerability is CVE-2025-25613 since 02/07/2025. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1040 for this issue.

Upgrading to version 2.2.0D Build 135103 eliminates this vulnerability.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

Version

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: Cleartext transmission
CWE: CWE-319 / CWE-310
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: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: S3150-8T2F 8-Port Gigabit Ethernet L2+ Switch 2.2.0D Build 135103

Timelineinfo

02/07/2025 CVE reserved
11/21/2025 +287 days Advisory disclosed
11/21/2025 +0 days VulDB entry created
11/21/2025 +0 days VulDB entry last update

Sourcesinfo

Status: Confirmed

CVE: CVE-2025-25613 (🔒)
GCVE (CVE): GCVE-0-2025-25613
GCVE (VulDB): GCVE-100-333101

Entryinfo

Created: 11/21/2025 03:19
Changes: 11/21/2025 03:19 (54)
Complete: 🔍
Cache ID: 216:DE5:103

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