Critical severity · published Jun 24, 2020
CVE-2020-14473
Stack-based buffer overflow vulnerability in Vigor3900, Vigor2960, and Vigor300B with firmware before 1.5.1.1
9.8
CVSS
2.3%
EPSS
No
On KEV
Description
Stack-based buffer overflow vulnerability in Vigor3900, Vigor2960, and Vigor300B with firmware before 1.5.1.1.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.3% · higher than 83% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
VF
Vigor2960 Firmware · Draytek
before 1.5.1.1 · source: NVD
VF
Vigor300b Firmware · Draytek
before 1.5.1.1 · source: NVD
VF
Vigor3900 Firmware · Draytek
before 1.5.1.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-14473
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-14473
Exploit
https://github.com/Cossack9989/Vulns/blob/master/IoT/CVE-2020-14473.md
www.draytek.com
https://www.draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300b-stack-based-buffer-overflow-vulnerability-%28cve-2020-14473%29
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