TP-Link WR-886N 2.3.8 get_reg_verify_code buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability was found in TP-Link WR-886N 2.3.8 and classified as critical. This issue affects some unknown processing of the file /cloud_config/router_post/get_reg_verify_code. Such manipulation leads to buffer overflow. This vulnerability is referenced as CVE-2021-44626. No exploit is available.

Detailsinfo

A vulnerability was found in TP-Link WR-886N 2.3.8. It has been rated as critical. Affected by this issue is an unknown code of the file /cloud_config/router_post/get_reg_verify_code. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability.

The weakness was published 03/11/2022. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2021-44626 since 12/06/2021. There are known technical details, 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.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.6

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
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: Buffer overflow
CWE: CWE-120 / CWE-119
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/06/2021 🔍
03/11/2022 +95 days 🔍
03/11/2022 +0 days 🔍
03/13/2022 +2 days 🔍

Sourcesinfo

Vendor: tp-link.com

Advisory: github.com
Status: Not defined

CVE: CVE-2021-44626 (🔍)
GCVE (CVE): GCVE-0-2021-44626
GCVE (VulDB): GCVE-100-194660

Entryinfo

Created: 03/11/2022 10:35
Updated: 03/13/2022 15:41
Changes: 03/11/2022 10:35 (37), 03/13/2022 15:35 (1), 03/13/2022 15:41 (18)
Complete: 🔍
Cache ID: 216::103

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