Welotec TK515L prior 2.3.0.r5542 MQTT Topic Name access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Welotec TK515L, TK515L Set, TK515L-W, TK515L-W Set, TK525L, TK525L Set, TK525L-W, TK525L-W Set, TK525U, TK525U Set, TK525W, TK525W Set, TK535L1 and TK535L1 Set. The impacted element is an unknown function of the component MQTT Topic Name Handler. Performing a manipulation results in access control. This vulnerability is reported as CVE-2023-1083. The attack is possible to be carried out remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Welotec TK515L, TK515L Set, TK515L-W, TK515L-W Set, TK525L, TK525L Set, TK525L-W, TK525L-W Set, TK525U, TK525U Set, TK525W, TK525W Set, TK535L1 and TK535L1 Set. It has been classified as very critical. This affects an unknown functionality of the component MQTT Topic Name Handler. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

An unauthenticated remote attacker who is aware of a MQTT topic name can send and receive messages, including GET/SET configuration commands, reboot commands and firmware updates.

It is possible to read the advisory at cert.vde.com. This vulnerability is uniquely identified as CVE-2023-1083 since 02/28/2023. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/02/2024). The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

Upgrading to version 2.3.0.r5542 eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 9.8
CNA Vector (CERT VDE): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Access control
CWE: 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: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: TK515L/TK515L Set/TK515L-W/TK515L-W Set/TK525L/TK525L Set/TK525L-W/TK525L-W Set/TK525U/TK525U Set/TK525W/TK525W Set/TK535L1/TK535L1 Set 2.3.0.r5542

Timelineinfo

02/28/2023 🔍
04/09/2024 +405 days 🔍
04/09/2024 +0 days 🔍
10/02/2024 +176 days 🔍

Sourcesinfo

Advisory: VDE-2024-009
Status: Confirmed

CVE: CVE-2023-1083 (🔍)
GCVE (CVE): GCVE-0-2023-1083
GCVE (VulDB): GCVE-100-259827

Entryinfo

Created: 04/09/2024 10:46
Updated: 10/02/2024 11:31
Changes: 04/09/2024 10:46 (63), 05/10/2024 18:26 (1), 10/02/2024 11:31 (2)
Complete: 🔍
Cache ID: 216::103

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