DrayTek Vigor3900/Vigor2960/Vigor300B up to 1.5.0 HTTP Request 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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8.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in DrayTek Vigor3900, Vigor2960 and Vigor300B up to 1.5.0. Impacted is an unknown function. This manipulation as part of HTTP Request causes out-of-bounds write. This vulnerability is tracked as CVE-2020-10828. The attack is possible to be carried out remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in DrayTek Vigor3900, Vigor2960 and Vigor300B up to 1.5.0 (Router Operating System). It has been declared as critical. Affected by this vulnerability is an unknown functionality. The manipulation as part of a HTTP Request 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:

A stack-based buffer overflow in cvmd on Draytek Vigor3900, Vigor2960, and Vigor300B devices before 1.5.1 allows remote attackers to achieve code execution via a remote HTTP request.

The weakness was disclosed 03/26/2020. This vulnerability is known as CVE-2020-10828 since 03/22/2020. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

Upgrading to version 1.5.1 eliminates this vulnerability.

The entries VDB-152376, VDB-152375, VDB-152374 and VDB-152373 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best 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

Timelineinfo

03/22/2020 🔍
03/26/2020 +4 days 🔍
03/27/2020 +1 days 🔍
05/05/2025 +1865 days 🔍

Sourcesinfo

Advisory: slashd.ga
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2020-10828 (🔍)
GCVE (CVE): GCVE-0-2020-10828
GCVE (VulDB): GCVE-100-152377
See also: 🔍

Entryinfo

Created: 03/27/2020 07:44
Updated: 05/05/2025 22:29
Changes: 03/27/2020 07:44 (38), 03/27/2020 07:49 (18), 10/05/2020 08:41 (1), 05/12/2024 07:42 (18), 05/05/2025 22:29 (3)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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