CVE-2020-25758
CVSS V2 High 9
CVSS V3 High 8.8
Description
An issue was discovered on D-Link DSR-250 3.17 devices. Insufficient validation of configuration file checksums could allow a remote, authenticated attacker to inject arbitrary crontab entries into saved configurations before uploading. These entries are executed as root.
Overview
- CVE ID
- CVE-2020-25758
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2020-12-15T20:15:16
- Last Modified Date
- 2021-04-23T18:24:57
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:o:dlink:dsr-150_firmware:*:*:*:*:*:*:*:* | 1 | OR | 3.17 | |
| cpe:2.3:h:dlink:dsr-150:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:dlink:dsr-150n_firmware:*:*:*:*:*:*:*:* | 1 | OR | 3.17 | |
| cpe:2.3:h:dlink:dsr-150n:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:dlink:dsr-250_firmware:*:*:*:*:*:*:*:* | 1 | OR | 3.17 | |
| cpe:2.3:h:dlink:dsr-250:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:dlink:dsr-250n_firmware:*:*:*:*:*:*:*:* | 1 | OR | 3.17 | |
| cpe:2.3:h:dlink:dsr-250n:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:dlink:dsr-500_firmware:*:*:*:*:*:*:*:* | 1 | OR | 3.17 | |
| cpe:2.3:h:dlink:dsr-500:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:dlink:dsr-500n_firmware:*:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:h:dlink:dsr-500n:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:dlink:dsr-500ac_firmware:*:*:*:*:*:*:*:* | 1 | OR | 3.17 | |
| cpe:2.3:h:dlink:dsr-500ac:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:dlink:dsr-1000_firmware:*:*:*:*:*:*:*:* | 1 | OR | 3.17 | |
| cpe:2.3:h:dlink:dsr-1000:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:dlink:dsr-1000n_firmware:*:*:*:*:*:*:*:* | 1 | OR | 3.17 | |
| cpe:2.3:h:dlink:dsr-1000n:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:dlink:dsr-1000ac_firmware:*:*:*:*:*:*:*:* | 1 | OR | 3.17 | |
| cpe:2.3:h:dlink:dsr-1000ac:-:*:*:*:*:*:*:* | 0 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:S/C:C/I:C/A:C
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- SINGLE
- Confidentiality Impact
- COMPLETE
- Integrity Impact
- COMPLETE
- Availability Impact
- COMPLETE
- Base Score
- 9
- Severity
- HIGH
- Exploitability Score
- 8
- Impact Score
- 10
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 8.8
- Base Severity
- HIGH
- Exploitability Score
- 2.8
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10195 | Vendor Advisory |
| https://www.dlink.com/en/security-bulletin | Vendor Advisory |
| https://www.digitaldefense.com/news/zero-day-vuln-d-link-vpn-routers/ | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-25758 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25758 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:14:26 | Added to TrackCVE | |||
| 2022-12-05 18:23:01 | 2020-12-15T20:15Z | 2020-12-15T20:15:16 | CVE Published Date | updated |
| 2022-12-05 18:23:01 | 2021-04-23T18:24:57 | CVE Modified Date | updated | |
| 2022-12-05 18:23:01 | Analyzed | Vulnerability Status | updated |