VDB-116924 · CVE-2018-1146 · Snort 46518

Belkin N750 1.10.22 Telnet set.cgi HTTP Request access control

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.
8.5	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as critical has been found in Belkin N750 1.10.22. Impacted is an unknown function of the file set.cgi of the component Telnet. Such manipulation as part of HTTP Request leads to access control. This vulnerability is traded as CVE-2018-1146. The attack may be launched remotely. There is no exploit available. Restrictive firewalling should be applied.

Detailsinfo

A vulnerability was found in Belkin N750 1.10.22 (Wireless LAN Software) and classified as very critical. Affected by this issue is an unknown part of the file set.cgi of the component Telnet. The manipulation as part of a HTTP Request leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A remote unauthenticated user can enable telnet on the Belkin N750 using firmware version 1.10.22 by sending a crafted HTTP request to set.cgi. When enabled the telnet session requires no password and provides root access.

The bug was discovered 04/16/2018. The weakness was shared 04/19/2018 (Website). The advisory is shared for download at tenable.com. This vulnerability is handled as CVE-2018-1146 since 12/05/2017. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 01/30/2020). The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $0-$5k.

Addressing this vulnerability is possible by firewalling . Attack attempts may be identified with Snort ID 46518.

The entries VDB-116921, VDB-116922 and VDB-116923 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Wireless LAN Software

Vendor

Belkin

Name

N750

Version

1.10.22

License

commercial

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.7
VulDB Meta Temp Score: 8.6

VulDB Base Score: 9.8
VulDB Temp Score: 9.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

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: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
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: Firewall
Status: 🔍

0-Day Time: 🔍
Snort ID: 46518
Snort Message: SERVER-WEBAPP Belkin N750 F9K1103 wireless router remote telnet enable attempt
Snort Class: 🔍

Timelineinfo

12/05/2017 🔍
04/16/2018 +132 days 🔍
04/19/2018 +2 days 🔍
04/19/2018 +0 days 🔍
04/21/2018 +2 days 🔍
01/30/2020 +649 days 🔍

Sourcesinfo

Advisory: tenable.com
Status: Not defined

CVE: CVE-2018-1146 (🔍)
GCVE (CVE): GCVE-0-2018-1146
GCVE (VulDB): GCVE-100-116924
See also: 🔍

Entryinfo

Created: 04/21/2018 16:13
Updated: 01/30/2020 11:20
Changes: 04/21/2018 16:13 (64), 01/30/2020 11:20 (1)
Complete: 🔍
Cache ID: 216::103