CVE-2025-57714: QNAP Systems NetBak Replicator · CWE-428
Affects QNAP Systems NetBak ReplicatorSource CVE Database V5
Not known to be exploited · CVSS 8.5 High : upgrade to 4.6.0 soon.
Data as of 26 Oct 2026, 12:29 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 11% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 4.6.0
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 3 Oct 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade QNAP Systems NetBak Replicator to 4.6.0.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| QNAP Systems Inc. NetBak Replicator | Affected
| Fixed in
|
AI-suggested
To mitigate CVE-2025-57714, organizations should immediately upgrade NetBak Replicator to version 4.5.15.0807 or later, where the vulnerability has been patched. Beyond patching, administrators should audit and restrict local user permissions to minimize the number of users who can execute or influence backup software operations. Implement application whitelisting and monitor file system locations involved in the application's search path to detect unauthorized executable files. Employ endpoint detection and response (EDR) solutions to identify suspicious local execution behaviors. Network segmentation can limit the impact of a compromised backup client. Additionally, educate users about the risks of local account compromise and enforce strong authentication and access controls to prevent unauthorized local access. Regularly review and harden system environment variables and PATH settings to avoid unquoted paths that could be exploited. Finally, maintain comprehensive logging and monitoring of backup software activities to detect potential exploitation attempts early.
Description
An unquoted search path or element vulnerability has been reported to affect NetBak Replicator. If a local attacker gains a user account, they can then exploit the vulnerability to execute unauthorized code or commands. We have already fixed the vulnerability in the following version: NetBak Replicator 4.5.15.0807 and later