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Thingsboard CVE-2025-9094

LOW
Incomplete Filtering of Special Elements (CWE-791)
2025-08-17 cna@vuldb.com
2.1
CVSS 4.0 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V2 - Validation and Business Logic Input filtering completeness
Impact

CVSS score of 5.3 (MEDIUM). Attack characteristics: network attack vector, low complexity, low privileges required, no user interaction not required. EPSS exploitation probability: 0.05%.

Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system.

Monitor Track and reassess. Why: LOW severity (CVSS 0.1-3.9).
No patch listed yet 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 28, 2026

A vulnerability was detected in ThingsBoard 4.1. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified under CWE-791. A vulnerability was detected in ThingsBoard 4.1. This vulnerability affects unknown code of the component Add Gateway Handler. The manipulation leads to improper neutralization of special elements used in a template engine. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor replies, that "[t]he fix will come within upcoming release (v4.2) and will be inherited by maintenance releases of LTS versions (starting 4.0)." Affected products include: Thingsboard.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 2.1 LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Vulnerable system: Confidentiality
None
Vulnerable system: Integrity
Low
Vulnerable system: Availability
None
Subsequent system: Confidentiality
None
Subsequent system: Integrity
None
Subsequent system: Availability
None

Lifecycle Timeline

3
Severity Changed
Apr 29, 2026 - 01:11 NVD
MEDIUM LOW
CVSS changed
Apr 29, 2026 - 01:11 NVD
5.3 (MEDIUM) 2.1 (LOW)
CVE Published
Aug 17, 2025 - 23:15 nvd
MEDIUM 5.3

DescriptionCVE.org

A vulnerability was detected in ThingsBoard 4.1. This vulnerability affects unknown code of the component Add Gateway Handler. The manipulation leads to improper neutralization of special elements used in a template engine. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor replies, that "[t]he fix will come within upcoming release (v4.2) and will be inherited by maintenance releases of LTS versions (starting 4.0)."

Executive ViewAI

Why It Matters

Organizations using A vulnerability should be aware of moderate risk from CVE-2025-9094 rated CVSS 5.3. Exploitation could compromise the security of affected deployments. Organizations should apply vendor updates when available and monitor for exploitation.

Business Impact: Low
Compensating Controls

Apply vendor patch. If patching is delayed: restrict network access and enable monitoring.

Threat Intelligence Overview

EPSS Score
0.0%
Top 85% exploitable
Data Quality
4 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity LOW
CISA KEV No
Public POC No
EPSS 0.0%
Patch available No
Active threat No
Deciding rule
LOW severity (CVSS 0.1-3.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Defer
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact
Low

Priority Score

10
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +10
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)CVE.org

cpe:2.3:a:thingsboard:thingsboard:4.1:*:*:*:*:*:*:*
CVE-2023-45303 HIGH POC
8.8 Oct 06

ThingsBoard before 3.5 allows Server-Side Template Injection if users are allowed to modify an email template, because A

CVE-2020-27687 HIGH POC
8.8 Dec 18

ThingsBoard before v3.2 is vulnerable to Host header injection in password-reset emails. Rated high severity (CVSS 8.8),

CVE-2024-55466 MEDIUM POC
6.5 May 12

An arbitrary file upload vulnerability in the Image Gallery of ThingsBoard Community, ThingsBoard Cloud and ThingsBoard

CVE-2024-3270 MEDIUM POC
6.5 Apr 03

A vulnerability classified as problematic was found in ThingsBoard up to 3.6.2. Rated medium severity (CVSS 6.5), this v

CVE-2024-9358 MEDIUM POC
6.0 Oct 01

A vulnerability has been found in ThingsBoard up to 3.7.0 and classified as problematic. Rated medium severity (CVSS 6.0

CVE-2022-40004 CRITICAL
9.6 Dec 15

Cross Site Scripting (XSS) vulnerability in Things Board 3.4.1 allows remote attackers to escalate privilege via crafted

CVE-2022-31861 MEDIUM POC
5.4 Sep 13

Cross site Scripting (XSS) in ThingsBoard IoT Platform through 3.3.4.1 via a crafted value being sent to the audit logs.

CVE-2022-45608 HIGH
8.8 Mar 01

An issue was discovered in ThingsBoard 3.4.1, allows low privileged attackers (CUSTOMER_USER) to gain escalated privileg

CVE-2026-53676 HIGH
8.6 Jun 17

Sandbox escape via prototype pollution in ThingsBoard (versions prior to v4.3.1.2) allows a TENANT_ADMIN-authenticated u

CVE-2023-26462 HIGH
8.1 Feb 23

ThingsBoard 3.4.1 could allow a remote attacker to gain elevated privileges because hard-coded service credentials (usab

CVE-2025-34282 MEDIUM POC
6.9 Oct 17

SVG-based server-side request forgery in ThingsBoard versions prior to 4.2.1 allows upload of crafted SVG files containi

CVE-2026-9568 LOW
2.3 May 26

Code injection in ThingsBoard 4.3.1.0 and 4.3.1.1 allows remote attackers to embed control characters and shell metachar

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