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7.5
CVSSv2

CVE-2020-14473

Published: 24/06/2020 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

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

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draytek vigor300b_firmware

draytek vigor2960_firmware

draytek vigor3900_firmware

Github Repositories

https://github.com/Cossack9989/ByteCTF2021_Master_of_HTTPD

Master of Httpd

ByteCTF2021 Master of HTTPD 决赛签到题 这道题的诞生 对国内某些CTF出题人打着httpd旗号出题却用stdin/stdout来和做交互的行为深感疑惑，简单的HTTP报文Parser也能算httpd？是不是再ARM/MIPS交叉编译一下就能号称IoT赛题了？23333 很久以前挖到过一个Authorization字段解码触发的栈溢出，应该是去年的CVE-2

References

CWE-787https://github.com/Cossack9989/Vulns/blob/master/IoT/CVE-2020-14473.mdhttps://www.draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300b-stack-based-buffer-overflow-vulnerability-%28cve-2020-14473%29https://nvd.nist.govhttps://github.com/Cossack9989/ByteCTF2021_Master_of_HTTPD
CVSSv2
CVSSv2
CVSSv3
VMScore
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