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.
Scores
CVSS v3
8.8
EPSS
0.0027
EPSS Percentile
50.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-354
Status
published
Products (10)
dlink/dsr-1000_firmware
< 3.17
dlink/dsr-1000ac_firmware
< 3.17
dlink/dsr-1000n_firmware
< 3.17
dlink/dsr-150_firmware
< 3.17
dlink/dsr-150n_firmware
< 3.17
dlink/dsr-250_firmware
< 3.17
dlink/dsr-250n_firmware
< 3.17
dlink/dsr-500_firmware
< 3.17
dlink/dsr-500ac_firmware
< 3.17
dlink/dsr-500n_firmware
Published
Dec 15, 2020
Tracked Since
Feb 18, 2026