Local File Inclusion Vulnerability in DBLTek GoIP-1 Firmware
CVE-2022-4982

8.7HIGH

Key Information:

Vendor

Dbl Technology (dbltek)

Status
Goip-1
Vendor
CVE Published:
12 November 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2022-4982?

The GoIP-1 from DBLTek exhibits a local file inclusion vulnerability due to improper validation of user-supplied path parameters in its web server handlers. This flaw allows an attacker to leverage directory-traversal sequences to access sensitive files within the server's filesystem. Evidence of exploitation was documented, highlighting the need for immediate attention to this security concern to mitigate potential unauthorized access to sensitive information.

Affected Version(s)

GoIP-1 0

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.

CVE-2022-4982 - Proof of Concept

CVE-2022-4982 - Proof of Concept

References

https://shufflingbytes.com/posts/hacking-goip-gsm-gateway/
technical-descriptionexploit
https://www.exploit-db.com/exploits/50775
exploit
http://www.dbltek.com/
product

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Valtteri Lehtinen
Lassi Korhonen
JSON
.
CVE-2022-4982 : Local File Inclusion Vulnerability in DBLTek GoIP-1 Firmware