Description
A weakness has been identified in UGREEN DH2100+ up to 5.3.0.251125. This affects the function handler_file_backup_create of the file /v1/file/backup/create of the component nas_svr. Executing a manipulation of the argument path can lead to buffer overflow. The attack can be executed remotely. The exploit has been made available to the public and could be used for attacks. It is recommended to upgrade the affected component.
References4
Metrics
- CVSS 3.1
-
7.2
HIGH
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - CVSS 4.0
-
7.3
HIGH
Score source: CNA
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/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: 53 · as of 11 November 2026
- CWE
- CWE-119CWE-120
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.