DrayTek Vigor3900/Vigor2960/Vigor300B up to 1.5.1.0 out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.2$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in DrayTek Vigor3900, Vigor2960 and Vigor300B up to 1.5.1.0. This affects an unknown function. This manipulation causes out-of-bounds write. This vulnerability is handled as CVE-2020-14473. The attack can be initiated remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in DrayTek Vigor3900, Vigor2960 and Vigor300B up to 1.5.1.0 (Router Operating System). Affected by this vulnerability is an unknown code. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Stack-based buffer overflow vulnerability in Vigor3900, Vigor2960, and Vigor300B with firmware before 1.5.1.1.

The weakness was released 06/24/2020 (Website). It is possible to read the advisory at draytek.com. This vulnerability is known as CVE-2020-14473 since 06/19/2020. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 1.5.1.1 eliminates this vulnerability.

Entry connected to this vulnerability is available at VDB-157230. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
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: 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: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Vigor3900/Vigor2960/Vigor300B 1.5.1.1

Timelineinfo

06/19/2020 🔍
06/24/2020 +5 days 🔍
06/26/2020 +2 days 🔍
10/27/2020 +123 days 🔍

Sourcesinfo

Advisory: draytek.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-14473 (🔍)
GCVE (CVE): GCVE-0-2020-14473
GCVE (VulDB): GCVE-100-157231
See also: 🔍

Entryinfo

Created: 06/26/2020 07:04
Updated: 10/27/2020 07:08
Changes: 06/26/2020 07:04 (39), 06/26/2020 07:09 (18), 10/27/2020 07:08 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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