TP-LINK TL-WR840N v2 3.16.9 Build 150701 Rel.51516n Diagnostic input validation

CVSS Meta Temp Score
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CTI Interest Score
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3.8$0-$5k0.00

Summaryinfo

A vulnerability was found in TP-LINK TL-WR840N v2 3.16.9 Build 150701 Rel.51516n and classified as problematic. Impacted is an unknown function of the component Diagnostic. Such manipulation leads to input validation. This vulnerability is traded as CVE-2018-18489. The attack may be launched remotely. There is no exploit available. Restrictive firewalling should be applied.

Detailsinfo

A vulnerability was found in TP-LINK TL-WR840N v2 3.16.9 Build 150701 Rel.51516n (Router Operating System). It has been rated as problematic. Affected by this issue is an unknown code of the component Diagnostic. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is availability. CVE summarizes:

The ping feature in the Diagnostic functionality on TP-LINK WR840N v2 Firmware 3.16.9 Build 150701 Rel.51516n devices allows remote attackers to cause a denial of service (HTTP service termination) by modifying the packet size to be higher than the UI limit of 1472.

The weakness was shared 04/16/2019. This vulnerability is handled as CVE-2018-18489 since 10/18/2018. The attack may be launched remotely. A simple authentication is needed for exploitation. There are neither technical details nor an exploit publicly available.

Addressing this vulnerability is possible by firewalling .

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

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.8
VulDB Meta Temp Score: 3.8

VulDB Base Score: 2.7
VulDB Temp Score: 2.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.9
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
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: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/18/2018 🔍
04/16/2019 +180 days 🔍
04/17/2019 +1 days 🔍
08/29/2023 +1595 days 🔍

Sourcesinfo

Vendor: tp-link.com

Advisory: youtu.be
Status: Not defined

CVE: CVE-2018-18489 (🔍)
GCVE (CVE): GCVE-0-2018-18489
GCVE (VulDB): GCVE-100-133424

Entryinfo

Created: 04/17/2019 07:37
Updated: 08/29/2023 11:48
Changes: 04/17/2019 07:37 (36), 05/30/2020 06:55 (18), 08/29/2023 11:48 (4)
Complete: 🔍
Cache ID: 216::103

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