Tenda PA6 Wi-Fi Powerline Extender 1.0.1.21 homeplugd UDP Packet infinite loop

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.00

A vulnerability, which was classified as problematic, was found in Tenda PA6 Wi-Fi Powerline Extender 1.0.1.21. Affected is an unknown code block of the component homeplugd. The manipulation as part of a UDP Packet leads to a infinite loop vulnerability. CWE is classifying the issue as CWE-835. The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop. This is going to have an impact on availability. CVE summarizes:

Tenda PA6 Wi-Fi Powerline extender 1.0.1.21 is vulnerable to a denial of service, caused by an error in the "homeplugd" process. By sending a specially crafted UDP packet, an attacker could exploit this vulnerability to cause the device to reboot.

The weakness was published 06/25/2020. This vulnerability is traded as CVE-2019-19506 since 12/02/2019. 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. 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.

Similar entries are available at 157259 and 157258.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
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CVSSv3info

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

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

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Infinite loop
CWE: CWE-835 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/02/2019 🔍
06/25/2020 +206 days 🔍
06/26/2020 +1 days 🔍
06/26/2020 +0 days 🔍

Sourcesinfo

Status: Not defined

CVE: CVE-2019-19506 (🔍)
See also: 🔍

Entryinfo

Created: 06/26/2020 08:59
Updated: 06/26/2020 09:04
Changes: 06/26/2020 08:59 (37), 06/26/2020 09:04 (17)
Complete: 🔍
Cache ID: 3:C03

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