Vulnerability Details : CVE-2017-18046
Buffer overflow on Dasan GPON ONT WiFi Router H640X 12.02-01121 2.77p1-1124 and 3.03p2-1146 devices allows remote attackers to execute arbitrary code via a long POST request to the login_action function in /cgi-bin/login_action.cgi (aka cgipage.cgi).
Vulnerability category: OverflowExecute code
Products affected by CVE-2017-18046
- cpe:2.3:o:dasannetworks:h640x_firmware:2.77p1-1124:*:*:*:*:*:*:*
- cpe:2.3:o:dasannetworks:h640x_firmware:12.02-01121:*:*:*:*:*:*:*
- cpe:2.3:o:dasannetworks:h640x_firmware:3.03p2-1146:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-18046
4.67%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 92 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-18046
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2017-18046
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-18046
-
https://blogs.securiteam.com/index.php/archives/3552
SSD Advisory – Dasan Unauthenticated Remote Code Execution - SSD Secure DisclosureExploit;Third Party Advisory
-
https://pastebin.com/Yxd9S46A
[Python] dasan router loader - Pastebin.com
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https://twitter.com/ankit_anubhav/status/982261670394249216
Ankit Anubhav on Twitter: "Nexus Zeta has made the usage of #Dasan #IoT exploit CVE-2017-18046 very convenient for others. While Securi POC used to do a netcat, Nexus's code downloads and runs the pay
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