D-Link DIR-823G 1.02B03 HNAP API /bin/goahead access control

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CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.4$5k-$25k0.00

A vulnerability was found in D-Link DIR-823G 1.02B03 (Router Operating System) and classified as critical. This issue affects some unknown functionality of the file /bin/goahead of the component HNAP API. The manipulation with an unknown input leads to a privilege escalation vulnerability. Using CWE to declare the problem leads to CWE-284. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered on D-Link DIR-823G devices with firmware 1.02B03. There is incorrect access control allowing remote attackers to enable Guest Wi-Fi via the SetWLanRadioSettings HNAP API to the web service provided by /bin/goahead.

The bug was discovered 02/15/2019. The weakness was disclosed 02/17/2019. The identification of this vulnerability is CVE-2019-8392 since 02/16/2019. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 05/10/2020).

The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $5k-$25k.

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

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VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

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VulDB Base Score: 🔍
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VulDB Reliability: 🔍

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Exploitinginfoedit

Class: Privilege escalation (CWE-284)
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍

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Countermeasuresinfoedit

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfoedit

02/15/2019 🔍
02/16/2019 +1 days 🔍
02/17/2019 +1 days 🔍
02/17/2019 +0 days 🔍
05/10/2020 +448 days 🔍

Sourcesinfoedit

Vendor: https://www.dlink.com/

Status: Not defined

CVE: CVE-2019-8392 (🔍)

Entryinfoedit

Created: 02/17/2019 10:25 AM
Updated: 05/10/2020 09:38 PM
Changes: (1) vulnerability_discoverydate
Complete: 🔍

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