TOTOLINK A720R 4.1.5cu.470_B20200911 setWiFiWpsStart pin stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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3.4$0-$5k0.00

Summaryinfo

A vulnerability was found in TOTOLINK A720R 4.1.5cu.470_B20200911 and classified as critical. Affected is the function setWiFiWpsStart. Such manipulation of the argument pin leads to stack-based overflow. This vulnerability is traded as CVE-2021-45740. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in TOTOLINK A720R 4.1.5cu.470_B20200911. Affected by this issue is the function setWiFiWpsStart. The manipulation of the argument pin with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is availability.

The weakness was shared 02/04/2022. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2021-45740 since 12/27/2021. 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.

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

Productinfo

Vendor

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / 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

12/27/2021 🔍
02/04/2022 +39 days 🔍
02/04/2022 +0 days 🔍
02/05/2022 +1 days 🔍

Sourcesinfo

Vendor: totolink.net

Advisory: github.com
Status: Not defined

CVE: CVE-2021-45740 (🔍)
GCVE (CVE): GCVE-0-2021-45740
GCVE (VulDB): GCVE-100-192224

Entryinfo

Created: 02/04/2022 09:32
Updated: 02/05/2022 12:25
Changes: 02/04/2022 09:32 (38), 02/05/2022 12:25 (1)
Complete: 🔍
Cache ID: 216::103

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