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Dsr 150 Firmware CVE-2020-25757

HIGH
Improper Input Validation (CWE-20)
2020-12-15 cve@mitre.org
D-Link Information Disclosure Dsr 150 Firmware Dsr 150N Firmware Dsr 250 Firmware Dsr 250N Firmware Dsr 500 Firmware Dsr 500N Firmware Dsr 500Ac Firmware Dsr 1000 Firmware Dsr 1000N Firmware Dsr 1000Ac Firmware
8.8
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
8.8 HIGH
AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

1
CVE Published
Dec 15, 2020 - 20:15 nvd
HIGH 8.8

DescriptionNVD

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.

AnalysisAI

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. Rated high severity (CVSS 8.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-20. 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 products include: Dlink Dsr-150 Firmware, Dlink Dsr-150N Firmware, Dlink Dsr-250 Firmware, Dlink Dsr-250N Firmware, Dlink Dsr-500 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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CVE-2020-25757 vulnerability details – vuln.today
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