Critical severity · published Mar 26, 2020
CVE-2020-10825
A stack-based buffer overflow in /cgi-bin/activate.cgi while base64 decoding ticket parameter on Draytek Vigor3900, Vigor2960, and Vigor300B devices before 1.5.1 allows remote…
9.8
CVSS
4.1%
EPSS
No
On KEV
Description
A stack-based buffer overflow in /cgi-bin/activate.cgi while base64 decoding ticket parameter on Draytek Vigor3900, Vigor2960, and Vigor300B devices before 1.5.1 allows remote attackers to achieve code execution via a remote HTTP request (issue 3 of 3).
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)4.1% · higher than 91% 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 · source: NVD
VF
Vigor300b Firmware · Draytek
before 1.5.1 · source: NVD
VF
Vigor3900 Firmware · Draytek
before 1.5.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-10825
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-10825
Exploit
https://slashd.ga/2020/03/draytek-vulnerabilities/
www.draytek.com
https://www.draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300b-stack-based-buffer-overflow-vulnerability/
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