VDB-269897 · CVE-2024-36755 · GCVE-0-2024-36755

D-Link DIR-1950 up to 1.11B03 SSL Certificate certificate validation

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.
8.1	$5k-$25k	0.00

Summaryinfo

A vulnerability was found in D-Link DIR-1950 up to 1.11B03. It has been classified as critical. Affected by this issue is some unknown functionality of the component SSL Certificate Handler. The manipulation leads to certificate validation. This vulnerability is uniquely identified as CVE-2024-36755. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in D-Link DIR-1950 up to 1.11B03 and classified as critical. This issue affects an unknown code block of the component SSL Certificate Handler. The manipulation with an unknown input leads to a certificate validation vulnerability. Using CWE to declare the problem leads to CWE-295. The product does not validate, or incorrectly validates, a certificate. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

D-Link DIR-1950 up to v1.11B03 does not validate SSL certificates when requesting the latest firmware version and downloading URL. This can allow attackers to downgrade the firmware version or change the downloading URL via a man-in-the-middle attack.

The advisory is shared at supportannouncement.us.dlink.com. The identification of this vulnerability is CVE-2024-36755 since 05/30/2024. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 06/29/2024). MITRE ATT&CK project uses the attack technique T1587.003 for this issue.

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-1950

Version

1.11B03

License

commercial

Website

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

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.1
VulDB Meta Temp Score: 8.1

VulDB Base Score: 8.1
VulDB Temp Score: 8.1
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: Certificate validation
CWE: CWE-295 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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

05/30/2024 🔍
06/27/2024 +28 days 🔍
06/27/2024 +0 days 🔍
06/29/2024 +2 days 🔍

Sourcesinfo

Vendor: dlink.com

Advisory: supportannouncement.us.dlink.com
Status: Confirmed

CVE: CVE-2024-36755 (🔍)
GCVE (CVE): GCVE-0-2024-36755
GCVE (VulDB): GCVE-100-269897

Entryinfo

Created: 06/27/2024 22:41
Updated: 06/29/2024 10:22
Changes: 06/27/2024 22:41 (53), 06/29/2024 10:22 (1)
Complete: 🔍
Cache ID: 216::103