TP-LINK TL-WR840N 6.20 minAddress buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability has been found in TP-LINK TL-WR840N 6.20 and classified as critical. The impacted element is an unknown function. This manipulation of the argument minAddress causes buffer overflow. This vulnerability is handled as CVE-2022-26640. There is not any exploit available.

Detailsinfo

A vulnerability has been found in TP-LINK TL-WR840N 6.20 (Router Operating System) and classified as critical. Affected by this vulnerability is an unknown part. The manipulation of the argument minAddress 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 released 03/29/2022. The advisory is shared at github.com. This vulnerability is known as CVE-2022-26640 since 03/07/2022. Technical details are known, but no exploit is available.

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

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
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

03/07/2022 🔍
03/29/2022 +21 days 🔍
03/29/2022 +0 days 🔍
03/31/2022 +2 days 🔍

Sourcesinfo

Vendor: tp-link.com

Advisory: github.com
Status: Not defined

CVE: CVE-2022-26640 (🔍)
GCVE (CVE): GCVE-0-2022-26640
GCVE (VulDB): GCVE-100-195961

Entryinfo

Created: 03/29/2022 09:48
Updated: 03/31/2022 15:30
Changes: 03/29/2022 09:48 (38), 03/31/2022 15:30 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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