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7.5
CVSSv2

CVE-2020-14993

Published: 23/06/2020 Updated: 07/11/2023
CVSS v2 Base Score: 7.5 | Impact Score: 6.4 | Exploitability Score: 10
CVSS v3 Base Score: 9.8 | Impact Score: 5.9 | Exploitability Score: 3.9
VMScore: 668
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
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Vulnerability Summary

A stack-based buffer overflow on DrayTek Vigor2960, Vigor3900, and Vigor300B devices prior to 1.5.1.1 allows remote malicious users to execute arbitrary code via the formuserphonenumber parameter in an authusersms action to mainfunction.cgi.

Vulnerability Trend

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draytek vigor300b_firmware

draytek vigor2960_firmware

draytek vigor3900_firmware

References

CWE-787https://github.com/dexterone/Vigor-pochttps://www.draytek.com/about/security-advisoryhttps://www.draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300b-stack-based-buffer-overflow-vulnerability-%28cve-2020-14473%29https://nvd.nist.gov
CVSSv2
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2024-1183hard-codedCVE-2024-28254CVE-2023-43790buffer overflowbypassCVE-2024-32633CVE-2024-1874CVE-2024-23558
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