TP-Link TL-WR740N ARP resource consumption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.7$0-$5k0.05

A vulnerability classified as problematic has been found in TP-Link TL-WR740N (Router Operating System) (the affected version unknown). Affected is an unknown part of the component ARP Handler. The manipulation with an unknown input leads to a resource consumption vulnerability. CWE is classifying the issue as CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. This is going to have an impact on availability.

The weakness was disclosed 12/06/2022. The advisory is shared for download at youtube.com. This vulnerability is traded as CVE-2022-4296. Technical details are unknown but a public exploit is available.

The exploit is shared for download at youtube.com. It is declared as proof-of-concept.

It is possible to mitigate the weakness by firewalling .

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

Video

Youtube: Not available anymore

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.5
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Partially

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/06/2022 🔍
12/06/2022 +0 days 🔍
12/06/2022 +0 days 🔍
12/26/2022 +20 days 🔍

Sourcesinfo

Vendor: tp-link.com

Advisory: youtube.com
Status: Not defined

CVE: CVE-2022-4296 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 12/06/2022 08:13
Updated: 12/26/2022 10:29
Changes: 12/06/2022 08:13 (41), 12/06/2022 08:14 (1), 12/26/2022 10:29 (2)
Complete: 🔍
Submitter: mrempy

Submitinfo

Accepted

  • Submit #54843: TP-Link TL-WR740N Router - Denial of Service (by mrempy)

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