TP-LINK TL-WR840N Fragmented Packet memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in TP-LINK TL-WR840N. This affects an unknown function. The manipulation as part of Fragmented Packet results in memory corruption. This vulnerability is cataloged as CVE-2018-15840. The attack may be launched remotely. There is no exploit available. Applying restrictive firewalling is recommended.

Detailsinfo

A vulnerability classified as problematic has been found in TP-LINK TL-WR840N (Router Operating System) (affected version not known). Affected is some unknown functionality. The manipulation as part of a Fragmented Packet leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on availability. CVE summarizes:

TP-Link TL-WR840N devices allow remote attackers to cause a denial of service (networking outage) via fragmented packets, as demonstrated by an "nmap -f" command.

The weakness was shared 03/29/2019. This vulnerability is traded as CVE-2018-15840 since 08/24/2018. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

It is possible to mitigate the weakness by firewalling .

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/24/2018 🔍
03/29/2019 +217 days 🔍
03/30/2019 +1 days 🔍
08/17/2023 +1601 days 🔍

Sourcesinfo

Vendor: tp-link.com

Advisory: hackingvila.wordpress.com
Status: Not defined

CVE: CVE-2018-15840 (🔍)
GCVE (CVE): GCVE-0-2018-15840
GCVE (VulDB): GCVE-100-132624

Entryinfo

Created: 03/30/2019 06:44
Updated: 08/17/2023 19:03
Changes: 03/30/2019 06:44 (35), 05/23/2020 09:20 (18), 08/17/2023 19:03 (4)
Complete: 🔍
Cache ID: 216::103

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