D-Link DIR-1935 HNAP improper authentication

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

A vulnerability classified as critical was found in D-Link DIR-1935 (Router Operating System) (the affected version is unknown). This vulnerability affects an unknown code of the component HNAP. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 11/04/2022 as ZDI-22-1494. The advisory is available at zerodayinitiative.com. This vulnerability was named CVE-2022-43620 since 10/21/2022. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 11/04/2022).

Upgrading eliminates this vulnerability.

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CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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: Improper authentication
CWE: CWE-287
ATT&CK: Unknown

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

10/21/2022 🔍
11/04/2022 +14 days 🔍
11/04/2022 +0 days 🔍
11/04/2022 +0 days 🔍

Sourcesinfo

Vendor: dlink.com

Advisory: ZDI-22-1494
Status: Confirmed

CVE: CVE-2022-43620 (🔍)

Entryinfo

Created: 11/04/2022 19:16
Changes: 11/04/2022 19:16 (39)
Complete: 🔍

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