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[email protected]CVE-2017-18046

HistoryJan 21, 2018 - 10:29 p.m.

CVE-2017-18046

2018-01-2122:29:00

CWE-119

[email protected]

web.nvd.nist.gov

cve-2017-18046

buffer overflow

dasan

gpon

ont

wifi router

security vulnerability

remote code execution

post request

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

9.8 High

AI Score

Confidence

High

0.047 Low

EPSS

Percentile

92.7%

JSON

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).

Affected configurations

NVD

Node

dasannetworksh640x_firmwareMatch2.77p1-1124

dasannetworksh640x_firmwareMatch3.03p2-1146

dasannetworksh640x_firmwareMatch12.02-01121

AND

dasannetworksh640xMatch-

CPENameOperatorVersion
dasannetworks:h640x_firmwaredasannetworks h640x firmwareeq2.77p1-1124
dasannetworks:h640x_firmwaredasannetworks h640x firmwareeq3.03p2-1146
dasannetworks:h640x_firmwaredasannetworks h640x firmwareeq12.02-01121

CPE	Name	Operator	Version
dasannetworks:h640x_firmware	dasannetworks h640x firmware	eq	2.77p1-1124
dasannetworks:h640x_firmware	dasannetworks h640x firmware	eq	3.03p2-1146
dasannetworks:h640x_firmware	dasannetworks h640x firmware	eq	12.02-01121

References

blogs.securiteam.com/index.php/archives/3552

pastebin.com/Yxd9S46A

twitter.com/ankit_anubhav/status/982261670394249216

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

9.8 High

AI Score

Confidence

High

0.047 Low

EPSS

Percentile

92.7%

JSON

Related for CVE-2017-18046

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