TP-Link TL-WR740N V1/TL-WR740N V2 up to 3.12.4 Firmware denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.6$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in TP-Link TL-WR740N V1 and TL-WR740N V2 up to 3.12.4. This vulnerability affects unknown code of the component Firmware Handler. The manipulation results in denial of service. This vulnerability is cataloged as CVE-2022-46430. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in TP-Link TL-WR740N V1 and TL-WR740N V2 up to 3.12.4 (Router Operating System). It has been classified as problematic. Affected is an unknown function of the component Firmware Handler. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:

TP-Link TL-WR740N V1 and V2 v3.12.4 and earlier allows authenticated attackers to execute arbitrary code or cause a Denial of Service (DoS) via uploading a crafted firmware image during the firmware update process.

The weakness was shared 12/21/2022. The advisory is shared for download at hackmd.io. This vulnerability is traded as CVE-2022-46430 since 12/05/2022. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

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

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Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.6
VulDB Meta Temp Score: 4.6

VulDB Base Score: 4.4
VulDB Temp Score: 4.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/05/2022 🔍
12/21/2022 +16 days 🔍
12/21/2022 +0 days 🔍
04/16/2025 +847 days 🔍

Sourcesinfo

Vendor: tp-link.com

Advisory: hackmd.io
Status: Not defined

CVE: CVE-2022-46430 (🔍)
GCVE (CVE): GCVE-0-2022-46430
GCVE (VulDB): GCVE-100-216384

Entryinfo

Created: 12/21/2022 08:11
Updated: 04/16/2025 22:58
Changes: 12/21/2022 08:11 (39), 01/21/2023 09:58 (11), 04/16/2025 22:58 (16)
Complete: 🔍
Cache ID: 216::103

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