TOTOLINK T10 4.1.8cu.5207_B20210320 HTTP Request http_request_parse buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in TOTOLINK T10 4.1.8cu.5207_B20210320. Affected by this issue is the function http_request_parse of the component HTTP Request Handler. The manipulation results in buffer overflow. This vulnerability is cataloged as CVE-2021-43636. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in TOTOLINK T10 4.1.8cu.5207_B20210320. Affected is the function http_request_parse of the component HTTP Request Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was shared 03/26/2022. The advisory is available at note.youdao.com. This vulnerability is traded as CVE-2021-43636 since 11/15/2021. Technical details and a public exploit are known.

The exploit is shared for download at note.youdao.com. It is declared as proof-of-concept.

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

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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: 5.0

VulDB Base Score: 5.5
VulDB Temp Score: 5.0
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: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

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

11/15/2021 🔍
03/26/2022 +131 days 🔍
03/26/2022 +0 days 🔍
03/27/2022 +1 days 🔍

Sourcesinfo

Vendor: totolink.net

Advisory: note.youdao.com
Status: Not defined

CVE: CVE-2021-43636 (🔍)
GCVE (CVE): GCVE-0-2021-43636
GCVE (VulDB): GCVE-100-195834
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/26/2022 12:47
Updated: 03/27/2022 15:28
Changes: 03/26/2022 12:47 (41), 03/27/2022 15:28 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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