D-Link DIR-2150 anweb websocket_data_handler stack-based overflow

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability was found in D-Link DIR-2150 and classified as critical. This affects the function websocket_data_handler of the component anweb. Such manipulation leads to stack-based overflow. This vulnerability is traded as CVE-2022-40718. Access to the local network is required for this attack to succeed. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in D-Link DIR-2150 (Router Operating System) (the affected version is unknown) and classified as critical. Affected by this issue is the function websocket_data_handler of the component anweb. The manipulation 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 confidentiality, integrity, and availability.

The weakness was shared 10/18/2022 as ZDI-22-1221. The advisory is available at zerodayinitiative.com. This vulnerability is handled as CVE-2022-40718 since 09/14/2022. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 10/18/2022).

Upgrading eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.4

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
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: 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: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/14/2022 🔍
10/18/2022 +34 days 🔍
10/18/2022 +0 days 🔍
10/18/2022 +0 days 🔍

Sourcesinfo

Vendor: dlink.com

Advisory: ZDI-22-1221
Status: Confirmed

CVE: CVE-2022-40718 (🔍)
GCVE (CVE): GCVE-0-2022-40718
GCVE (VulDB): GCVE-100-211334

Entryinfo

Created: 10/18/2022 16:26
Changes: 10/18/2022 16:26 (40)
Complete: 🔍
Cache ID: 216::103

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