CVE-2020-14473
Stack-based buffer overflow vulnerability in Vigor3900, Vigor2960, and Vigor300B with firmware...
CVE-2020-14473 is a critical vulnerability (CVSS 9.8) in Draytek Vigor2960 Firmware, published June 24, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.30%, the 83rd percentile. No source names a fixed version.
- Severity
- 9.8 CriticalCVSS 3.1, NVD
- Exploit chance
- 2.30%EPSS, 83rd percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
Description
Stack-based buffer overflow vulnerability in Vigor3900, Vigor2960, and Vigor300B with firmware before 1.5.1.1.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Stack-based buffer overflow vulnerability in Vigor3900, Vigor2960, and Vigor300B with firmware before 1.5.1.1.
- Record
CVE-2020-14473- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-787
- Updated
- 2026-11-02
CVE ListNo score
Stack-based buffer overflow vulnerability in Vigor3900, Vigor2960, and Vigor300B with firmware before 1.5.1.1.
- Record
CVE-2020-14473- Updated
- 2026-11-02
EUVDEUVD-2020-6610No score
Stack-based buffer overflow vulnerability in Vigor3900, Vigor2960, and Vigor300B with firmware before 1.5.1.1.
- Record
EUVD-2020-6610- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-5p79-q8cw-m9p4No score
Stack-based buffer overflow vulnerability in Vigor3900, Vigor2960, and Vigor300B with firmware...
Stack-based buffer overflow vulnerability in Vigor3900, Vigor2960, and Vigor300B with firmware before 1.5.1.1.
- Record
GHSA-5p79-q8cw-m9p4- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
References
draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300b-stack-based-buffer-overflow-vulnerability-%28cve-2020-14473%29
github.com/Cossack9989/Vulns/blob/master/IoT/CVE-2020-14473.md
nvd.nist.gov/vuln/detail/CVE-2020-14473