Improper Access Control in Screen SFT DAB 600/C Firmware by Screen
CVE-2023-7328

6.9MEDIUM

Key Information:

Vendor
CVE Published:
14 November 2025

Badges

๐Ÿ‘พ Exploit Exists๐ŸŸก Public PoC

What is CVE-2023-7328?

The Screen SFT DAB 600/C firmware versions up to and including 1.9.3 are susceptible to an improper access control vulnerability in the user management API. This flaw allows unauthenticated users to send requests that can retrieve sensitive structured user data. The exposed information includes account names and critical connection metadata, such as client IP addresses and timeout values, posing a significant risk for unauthorized data access.

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Affected Version(s)

Screen SFT DAB 600/C 0 <= 1.9.3

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

References

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • ๐ŸŸก

    Public PoC available

  • ๐Ÿ‘พ

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Gjoko Krstic of Zero Science Lab
.