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cve[email protected]CVE-2020-25757
HistoryDec 15, 2020 - 8:15 p.m.

CVE-2020-25757

2020-12-1520:15:16
CWE-78
CWE-20
web.nvd.nist.gov
38
cve-2020-25757
d-link dsr
vpn routers
input validation
access controls
lua cgis
arbitrary input
system command apis
arbitrary command execution
root privileges
nvd

8.3 High

CVSS2

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

8.8 High

CVSS3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

8.8 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

41.9%

A lack of input validation and access controls in Lua CGIs on D-Link DSR VPN routers may result in arbitrary input being passed to system command APIs, resulting in arbitrary command execution with root privileges. This affects DSR-150, DSR-250, DSR-500, and DSR-1000AC with firmware 3.14 and 3.17.

Affected configurations

NVD
Node
dlinkdsr-150Match-
AND
dlinkdsr-150_firmwareRange3.17
Node
dlinkdsr-150nMatch-
AND
dlinkdsr-150n_firmwareRange3.17
Node
dlinkdsr-250Match-
AND
dlinkdsr-250_firmwareRange3.17
Node
dlinkdsr-250nMatch-
AND
dlinkdsr-250n_firmwareRange3.17
Node
dlinkdsr-500Match-
AND
dlinkdsr-500_firmwareRange3.17
Node
dlinkdsr-500nMatch-
AND
dlinkdsr-500n_firmware
Node
dlinkdsr-500acMatch-
AND
dlinkdsr-500ac_firmwareRange3.17
Node
dlinkdsr-1000Match-
AND
dlinkdsr-1000_firmwareRange3.17
Node
dlinkdsr-1000n_firmwareRange3.17
AND
dlinkdsr-1000nMatch-
Node
dlinkdsr-1000ac_firmwareRange3.17
AND
dlinkdsr-1000acMatch-

8.3 High

CVSS2

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

8.8 High

CVSS3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

8.8 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

41.9%

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