Description
A vulnerability was found in Yottamaster DM2, DM3 and DM200 up to 1.2.23/1.9.12. Affected by this issue is some unknown functionality of the component File Upload. Performing manipulation results in path traversal. Remote exploitation of the attack is possible. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
Affected products
yottamaster: dm2 firmware; yottamaster: dm2; yottamaster: dm3 firmware; yottamaster: dm3; yottamaster: dm200 firmware; yottamaster: dm200
References5
- www.notion.so/2b76cf4e528a80f6ae50fe21b13ff0b8 ExploitThird Party Advisory
- www.notion.so/Yottamaster-NAS-Unauth-Operation-2b76cf4e528a80f6… ExploitThird Party Advisory
- vuldb.com/?ctiid.334666 Permissions RequiredVDB Entry
- vuldb.com/?id.334666 Third Party AdvisoryVDB Entry
- vuldb.com/?submit.701673 Third Party AdvisoryVDB Entry
Metrics
- CVSS 3.1
-
9.8
CRITICAL
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 4.0
-
2.1
LOW
Score source: CNA
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - EPSS — exploit probability
- 1% percentile: 58 · as of 11 November 2026
- CWE
- CWE-22
Could this be exploited in your environment?
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