CVE-2020-25758

moderate-risk
Published 2020-12-15

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.

Do I need to act?

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0.27% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
NETWORK / LOW complexity

Affected Products (10)

Dsr-500N Firmware
Dsr-500Ac Firmware
Dsr-1000 Firmware
Dsr-1000Ac Firmware

Affected Vendors

Dlink

References (6)

Vendor Advisory https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP1...
Third Party Advisory https://www.digitaldefense.com/news/zero-day-vuln-d-link-vpn-routers/
Vendor Advisory https://www.dlink.com/en/security-bulletin
Vendor Advisory https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP1...
Third Party Advisory https://www.digitaldefense.com/news/zero-day-vuln-d-link-vpn-routers/
Vendor Advisory https://www.dlink.com/en/security-bulletin
47
/ 100
moderate-risk
Severity 30/34 · Critical
Exploitability 1/34 · Minimal
Exposure 16/34 · Moderate