TP-LINK TL-WR841N V10 3.16.9 GET Request buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in TP-LINK TL-WR841N V10 3.16.9. Impacted is an unknown function. Executing a manipulation as part of GET Request can lead to buffer overflow. This vulnerability is registered as CVE-2020-8423. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability classified as critical was found in TP-LINK TL-WR841N V10 3.16.9 (Router Operating System). This vulnerability affects an unknown function. The manipulation as part of a GET Request leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A buffer overflow in the httpd daemon on TP-Link TL-WR841N V10 (firmware version 3.16.9) devices allows an authenticated remote attacker to execute arbitrary code via a GET request to the page for the configuration of the Wi-Fi network.

The weakness was published 04/02/2020. This vulnerability was named CVE-2020-8423 since 01/28/2020. The attack can be initiated remotely. The successful exploitation requires a single authentication. There are neither technical details nor an exploit publicly available.

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

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Vendor

Name

Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.7

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.2
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / 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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/28/2020 🔍
04/02/2020 +65 days 🔍
04/03/2020 +1 days 🔍
05/13/2024 +1501 days 🔍

Sourcesinfo

Vendor: tp-link.com

Advisory: ktln2.org
Status: Not defined

CVE: CVE-2020-8423 (🔍)
GCVE (CVE): GCVE-0-2020-8423
GCVE (VulDB): GCVE-100-152740

Entryinfo

Created: 04/03/2020 10:25
Updated: 05/13/2024 15:13
Changes: 04/03/2020 10:25 (35), 04/03/2020 10:30 (18), 05/13/2024 15:13 (17)
Complete: 🔍
Cache ID: 216::103

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