TCL LinkHub Mesh Wi-Fi MS1G 00_01.00_14 Network Packet ucloud_add_node_new stack-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.8$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in TCL LinkHub Mesh Wi-Fi MS1G 00_01.00_14. This affects the function ucloud_add_node_new of the component Network Packet Handler. The manipulation results in stack-based overflow. This vulnerability is reported as CVE-2022-21201. The attacker must have access to the local network to execute the attack. No exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, was found in TCL LinkHub Mesh Wi-Fi MS1G 00_01.00_14. Affected is the function ucloud_add_node_new of the component Network Packet Handler. The manipulation with an unknown input leads to a stack-based overflow vulnerability. CWE is classifying the issue as CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A stack-based buffer overflow vulnerability exists in the confers ucloud_add_node_new functionality of TCL LinkHub Mesh Wi-Fi MS1G_00_01.00_14. A specially-crafted network packet can lead to stack-based buffer overflow. An attacker can send a malicious packet to trigger this vulnerability.

The weakness was disclosed 08/06/2022 as TALOS-2022-1456. The advisory is shared for download at talosintelligence.com. This vulnerability is traded as CVE-2022-21201 since 01/24/2022. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/03/2022).

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

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.8

VulDB Base Score: 8.8
VulDB Temp Score: 8.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 8.8
CNA Vector (Talos): 🔍

CVSSv2info

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

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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

01/24/2022 🔍
08/06/2022 +193 days 🔍
08/06/2022 +0 days 🔍
09/03/2022 +28 days 🔍

Sourcesinfo

Advisory: TALOS-2022-1456
Status: Confirmed

CVE: CVE-2022-21201 (🔍)
GCVE (CVE): GCVE-0-2022-21201
GCVE (VulDB): GCVE-100-205752

Entryinfo

Created: 08/06/2022 07:28
Updated: 09/03/2022 07:47
Changes: 08/06/2022 07:28 (50), 09/03/2022 07:47 (9)
Complete: 🔍
Cache ID: 216::103

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