CVE-2020-14473 : Stack-based buffer overflow vulnerability in Vigor3900, Vigor2960, and Vigor300B

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

Published 2020-06-24 17:15:12

Updated 2020-06-30 21:23:55

Source MITRE

View at NVD, CVE.org

Vulnerability category: OverflowMemory Corruption

Products affected by CVE-2020-14473

Draytek » Vigor300b Firmware
Versions before (<) 1.5.1.1
cpe:2.3:o:draytek:vigor300b_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Draytek » Vigor300b » Version: N/A
Draytek » Vigor3900 Firmware
Versions before (<) 1.5.1.1
cpe:2.3:o:draytek:vigor3900_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Draytek » Vigor3900 » Version: N/A
Draytek » Vigor2960 Firmware
Versions before (<) 1.5.1.1
cpe:2.3:o:draytek:vigor2960_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Draytek » Vigor2960 » Version: N/A

EPSS FAQ

0.43%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 74 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.5	HIGH	AV:N/AC:L/Au:N/C:P/I:P/A:P	10.0	6.4	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

Assigned by: nvd@nist.gov (Primary)

https://www.draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300b-stack-based-buffer-overflow-vulnerability-(cve-2020-14473)

Vigor3900 / Vigor2960 / Vigor300B Stack-based buffer overflow Vulnerability (CVE-2020-14473 / CVE-2020-14993) | DrayTek
Vendor Advisory

CVEs referencing this url
https://github.com/Cossack9989/Vulns/blob/master/IoT/CVE-2020-14473.md

Vulns/CVE-2020-14473.md at master · Cossack9989/Vulns · GitHub
Exploit;Third Party Advisory

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