TP-LINK TL-WR840N 6.20 Password Reset buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in TP-LINK TL-WR840N 6.20. Affected by this issue is some unknown functionality of the component Password Reset Handler. Executing a manipulation can lead to buffer overflow. This vulnerability appears as CVE-2021-46122. There is no available exploit.

Detailsinfo

A vulnerability was found in TP-LINK TL-WR840N 6.20 (Router Operating System). It has been declared as critical. This vulnerability affects an unknown function of the component Password Reset Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 04/18/2022. The advisory is available at k4m1ll0.com. This vulnerability was named CVE-2021-46122 since 01/03/2022. The technical details are unknown and an exploit is not available.

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

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Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / 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

01/03/2022 🔍
04/18/2022 +104 days 🔍
04/18/2022 +0 days 🔍
04/21/2022 +3 days 🔍

Sourcesinfo

Vendor: tp-link.com

Advisory: k4m1ll0.com
Status: Not defined

CVE: CVE-2021-46122 (🔍)
GCVE (CVE): GCVE-0-2021-46122
GCVE (VulDB): GCVE-100-197638

Entryinfo

Created: 04/18/2022 22:13
Updated: 04/21/2022 14:45
Changes: 04/18/2022 22:13 (38), 04/21/2022 14:45 (1)
Complete: 🔍
Cache ID: 216::103

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