VDB-266468 · CVE-2023-30305 · GCVE-0-2023-30305

Linksys E5600 denial of service

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.
5.7	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Linksys E5600. It has been declared as problematic. This issue affects some unknown processing. Such manipulation leads to denial of service. This vulnerability is listed as CVE-2023-30305. The attack may be performed from remote. In addition, an exploit is available.

Detailsinfo

A vulnerability was found in Linksys E5600 (version now known) and classified as problematic. Affected by this issue is some unknown processing. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. CVE summarizes:

An issue discovered in Linksys E5600 routers allows attackers to hijack TCP sessions which could lead to a denial of service.

The advisory is shared for download at ndss-symposium.org. This vulnerability is handled as CVE-2023-30305 since 04/07/2023. The attack may be launched remotely. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1499.

The exploit is available at ndss-symposium.org. It is declared as proof-of-concept.

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Router Operating System

Vendor

Linksys

Name

E5600

License

commercial

Website

Vendor: https://www.linksys.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.7

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
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

04/07/2023 🔍
05/28/2024 +417 days 🔍
05/28/2024 +0 days 🔍
11/06/2024 +162 days 🔍

Sourcesinfo

Vendor: linksys.com

Advisory: ndss-symposium.org
Status: Not defined

CVE: CVE-2023-30305 (🔍)
GCVE (CVE): GCVE-0-2023-30305
GCVE (VulDB): GCVE-100-266468
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 05/28/2024 21:52
Updated: 11/06/2024 05:53
Changes: 05/28/2024 21:52 (54), 11/06/2024 05:53 (13)
Complete: 🔍
Cache ID: 216::103