D-Link DIR-300 cryptographic issue

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.
6.1$0-$5k0.00

Summaryinfo

A vulnerability was found in D-Link DIR-300. It has been declared as problematic. This impacts an unknown function. The manipulation results in cryptographic issue. This vulnerability is reported as CVE-2011-4723. Moreover, an exploit is present.

Detailsinfo

A vulnerability, which was classified as critical, was found in D-Link DIR-300 (Router Operating System) (version now known). Affected is some unknown processing. The manipulation with an unknown input leads to a cryptographic issue vulnerability. CWE is classifying the issue as CWE-310. This is going to have an impact on confidentiality. CVE summarizes:

The D-Link DIR-300 router stores cleartext passwords, which allows context-dependent attackers to obtain sensitive information via unspecified vectors.

The weakness was disclosed 12/20/2011 (Website). The advisory is shared for download at en.securitylab.ru. This vulnerability is traded as CVE-2011-4723 since 12/10/2011. The exploitability is told to be easy. It is possible to launch the attack remotely. Required for exploitation is a authentication. Technical details are unknown but an exploit is available. The MITRE ATT&CK project declares the attack technique as T1600.

It is declared as attacked. This issue was added on 09/08/2022 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 09/29/2022:

The impacted product is end-of-life and should be disconnected if still in use.

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

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2011-4641). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.1
VulDB Meta Temp Score: 6.1

VulDB Base Score: 6.5
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

ADP CISA Base Score: 5.7
ADP CISA Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Cryptographic issue
CWE: CWE-310
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Attacked

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/10/2011 🔍
12/20/2011 +10 days 🔍
12/20/2011 +0 days 🔍
03/23/2015 +1189 days 🔍
04/22/2026 +4048 days 🔍

Sourcesinfo

Vendor: dlink.com

Advisory: en.securitylab.ru
Status: Confirmed

CVE: CVE-2011-4723 (🔍)
GCVE (CVE): GCVE-0-2011-4723
GCVE (VulDB): GCVE-100-59772
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/23/2015 16:50
Updated: 04/22/2026 10:41
Changes: 03/23/2015 16:50 (44), 01/16/2018 08:29 (1), 04/27/2024 15:23 (28), 05/01/2024 06:09 (1), 09/09/2024 22:30 (2), 01/06/2025 21:33 (3), 07/30/2025 06:21 (1), 04/22/2026 10:41 (11)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you need the next level of professionalism?

Upgrade your account now!