Tenda AX12 22.03.01.21_CN /goform/setIPv6Status sub_422CE4 prefixDelegate buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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3.2$0-$5k0.00

A vulnerability has been found in Tenda AX12 22.03.01.21_CN and classified as problematic. This vulnerability affects the function sub_422CE4 of the file /goform/setIPv6Status. The manipulation of the argument prefixDelegate 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 availability.

The weakness was shared 02/14/2022. The advisory is available at github.com. This vulnerability was named CVE-2021-45392 since 12/20/2021. Technical details and also a public exploit are known.

It is possible to download the exploit at github.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.

Productinfo

Vendor

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Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.2

VulDB Base Score: 3.5
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
ATT&CK: Unknown

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

12/20/2021 🔍
02/14/2022 +56 days 🔍
02/14/2022 +0 days 🔍
02/17/2022 +3 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2021-45392 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 02/14/2022 20:40
Updated: 02/17/2022 17:10
Changes: 02/14/2022 20:40 (42), 02/17/2022 17:10 (1)
Complete: 🔍

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