TP-Link TL-WR940N/TL-WR841N/TL-WR940N/TL-WR941ND GET Request /userRpm/QoSRuleListRpm 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.
6.6	$0-$5k	0.00

A vulnerability was found in TP-Link TL-WR940N, TL-WR841N, TL-WR940N and TL-WR941ND (Router Operating System) (affected version unknown). It has been declared as problematic. This vulnerability affects an unknown functionality of the file /userRpm/QoSRuleListRpm of the component GET Request Handler. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. CVE summarizes:

TP-Link TL-WR940N V4, TL-WR841N V8/V10, TL-WR940N V2/V3 and TL-WR941ND V5/V6 were discovered to contain a buffer overflow in the component /userRpm/QoSRuleListRpm. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted GET request.

The weakness was presented 06/23/2023. The advisory is available at github.com. This vulnerability was named CVE-2023-36359 since 06/21/2023. Technical details are known, but there is no available exploit.

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

Productinfo

Type

Router Operating System

Vendor

TP-Link

Name

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔒
VulDB CVSS-BT Score: 🔒
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.6

VulDB Base Score: 5.7
VulDB Temp Score: 5.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔒

CVSSv2info

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

Exploitinginfo

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

Local: No
Remote: Partially

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

06/21/2023 CVE reserved
06/23/2023 +2 days Advisory disclosed
06/23/2023 +0 days VulDB entry created
07/17/2023 +24 days VulDB entry last update

Sourcesinfo

Vendor: tp-link.com

Advisory: github.com
Status: Not defined

CVE: CVE-2023-36359 (🔒)

Entryinfo

Created: 06/23/2023 08:19
Updated: 07/17/2023 12:55
Changes: 06/23/2023 08:19 (39), 07/17/2023 12:55 (11)
Complete: 🔍