WAGO Device Sphere/Solution Builder up to 1.2.1 improper filtering of special elements

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.
6.3$0-$5k4.49

Summaryinfo

A vulnerability identified as critical has been detected in WAGO Device Sphere and Solution Builder up to 1.2.1. This affects an unknown function. Performing a manipulation results in improper filtering of special elements. This vulnerability was named CVE-2026-2328. The attack may be initiated remotely. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in WAGO Device Sphere and Solution Builder up to 1.2.1. This affects some unknown functionality. The manipulation with an unknown input leads to a improper filtering of special elements vulnerability. CWE is classifying the issue as CWE-790. The product receives data from an upstream component, but does not filter or incorrectly filters special elements before sending it to a downstream component. This is going to have an impact on confidentiality. The summary by CVE is:

An unauthenticated remote attacker can exploit insufficient input validation to access backend components beyond their intended scope via path traversal, resulting in exposure of sensitive information.

The weakness was presented by Marvin Ramsperger as VDE-2026-010. The advisory is shared at certvde.com. This vulnerability is uniquely identified as CVE-2026-2328 since 02/11/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

Upgrading to version 1.2.2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-17064). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (CERTVDE): 🔒

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

Exploitinginfo

Class: Improper filtering of special elements
CWE: CWE-790 / CWE-184 / CWE-183
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

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

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Device Sphere/Solution Builder 1.2.2

Timelineinfo

02/11/2026 CVE reserved
03/30/2026 +46 days Advisory disclosed
03/30/2026 +0 days VulDB entry created
03/30/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: VDE-2026-010
Researcher: Marvin Ramsperger
Status: Confirmed

CVE: CVE-2026-2328 (🔒)
GCVE (CVE): GCVE-0-2026-2328
GCVE (VulDB): GCVE-100-354153
EUVD: 🔒

Entryinfo

Created: 03/30/2026 09:49
Updated: 03/30/2026 12:05
Changes: 03/30/2026 09:49 (65), 03/30/2026 12:05 (1)
Complete: 🔍
Cache ID: 216:544:103

Discussion

No comments yet. Languages: en.

Please log in to comment.

Do you need the next level of professionalism?

Upgrade your account now!