Tenda AC15/AC18 15.03.05.19_multi /goform/expandDlnaFile filePath 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

A vulnerability, which was classified as critical, has been found in Tenda AC15 and AC18 15.03.05.19_multi. Affected by this issue is an unknown function of the file /goform/expandDlnaFile. The manipulation of the argument filePath 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. CVE summarizes:

Tenda AC15 WiFi Router V15.03.05.19_multi and AC18 WiFi Router V15.03.05.19_multi were discovered to contain a buffer overflow via the filePath parameter at /goform/expandDlnaFile.

The weakness was disclosed 09/16/2022. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2022-38325 since 08/15/2022. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/16/2022).

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

Productinfo

Type

Vendor

Name

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: 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: 🔍

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

08/15/2022 🔍
09/16/2022 +32 days 🔍
09/16/2022 +0 days 🔍
09/16/2022 +0 days 🔍

Sourcesinfo

Vendor: tenda.com.cn

Advisory: github.com
Status: Not defined

CVE: CVE-2022-38325 (🔍)

Entryinfo

Created: 09/16/2022 07:03 AM
Changes: 09/16/2022 07:03 AM (39)
Complete: 🔍
Cache ID: 18:106:40

Submitinfo

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