VDB-157259 · CVE-2019-19505 · GCVE-0-2019-19505

Tenda PA6 Wi-Fi Powerline Extender 1.0.1.21 Web UI out-of-bounds write

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.5	$0-$5k	0.00

Summaryinfo

A vulnerability marked as critical has been reported in Tenda PA6 Wi-Fi Powerline Extender 1.0.1.21. This vulnerability affects unknown code of the component Web UI. The manipulation leads to out-of-bounds write. This vulnerability is traded as CVE-2019-19505. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Tenda PA6 Wi-Fi Powerline Extender 1.0.1.21. This issue affects an unknown code of the component Web UI. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Tenda PA6 Wi-Fi Powerline extender 1.0.1.21 is vulnerable to a stack-based buffer overflow, caused by improper bounds checking by the "Wireless" section in the web-UI. By sending a specially crafted hostname, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.

The weakness was shared 06/25/2020. The identification of this vulnerability is CVE-2019-19505 since 12/02/2019. The attack may be initiated remotely. A simple authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

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

The entries VDB-157260 and VDB-157258 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Router Operating System

Vendor

Tenda

Name

PA6 Wi-Fi Powerline Extender

Version

1.0.1.21

License

commercial

Website

Vendor: https://www.tenda.com.cn/

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.6

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

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

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

Vendor: tenda.com.cn

Status: Not defined

CVE: CVE-2019-19505 (🔍)
GCVE (CVE): GCVE-0-2019-19505
GCVE (VulDB): GCVE-100-157259
See also: 🔍

Entryinfo

Created: 06/26/2020 08:59
Updated: 06/26/2020 09:04
Changes: 06/26/2020 08:59 (36), 06/26/2020 09:04 (17)
Complete: 🔍
Cache ID: 216::103

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