VDB-175297 · CVE-2021-27342 · GCVE-0-2021-27342

D-Link DIR-842 3.0.2 protection mechanism

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 (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.0	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in D-Link DIR-842 3.0.2 and classified as critical. Affected by this issue is some unknown functionality. This manipulation causes protection mechanism. This vulnerability is tracked as CVE-2021-27342. The attack is possible to be carried out remotely. Moreover, an exploit is present.

Detailsinfo

A vulnerability has been found in D-Link DIR-842 3.0.2 (Router Operating System) and classified as problematic. Affected by this vulnerability is an unknown part. The manipulation with an unknown input leads to a protection mechanism vulnerability. The CWE definition for the vulnerability is CWE-693. The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product. As an impact it is known to affect confidentiality.

The weakness was disclosed 05/18/2021. The advisory is shared at blog.whtaguy.com. This vulnerability is known as CVE-2021-27342. Technical details are unknown but a public exploit is available.

It is possible to download the exploit at github.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k.

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

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Router Operating System

Vendor

D-Link

Name

DIR-842

Version

3.0.2

License

commercial

Website

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

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.1
VulDB Meta Temp Score: 3.0

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Protection mechanism
CWE: CWE-693
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/16/2021 🔍
05/18/2021 +90 days 🔍
05/18/2021 +0 days 🔍
05/22/2021 +4 days 🔍

Sourcesinfo

Vendor: dlink.com

Advisory: blog.whtaguy.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2021-27342 (🔍)
GCVE (CVE): GCVE-0-2021-27342
GCVE (VulDB): GCVE-100-175297
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 05/18/2021 08:50
Updated: 05/22/2021 09:10
Changes: 05/18/2021 08:50 (39), 05/22/2021 09:10 (3)
Complete: 🔍
Cache ID: 216::103