# CVE-2026-62416: File upload in Network Scanner Tool (Bundled software for Sharpdesk)

> Unauthenticated attackers can upload unlimited files to cause DoS or trick users into executing malicious files on Sharp Network Scanner Tool.

- **Severity:** Medium 6.9 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 3 Aug 2026
- **Updated:** 3 Aug 2026
- **Also known as:** GHSA-44px-2m24-8wv4

## What is CVE-2026-62416?

CVE-2026-62416 is a medium-severity vulnerability in Network Scanner Tool (Bundled software for Sharpdesk), published on 3 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Network Scanner Tool and Network Scanner Tool Lite provided by Sharp Corporation, with the initial configuration, require no authentication and accept files unlimitedly. When the affected products are used with the initial configuration, anyone can connect to them without authentication and upload files unlimitedly. This may cause a denial-of-service (DoS) condition on the PC. Furthermore, if a malicious file is uploaded, a PC user may be tricked to execute the file to attack other entities from that PC.

Weakness: CWE-1188 (Initialization of a Resource with an Insecure Default)

## Which versions are affected by CVE-2026-62416?


## How do I fix CVE-2026-62416?

No fix has been published for CVE-2026-62416 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-62416 being exploited?

There is no known exploitation of CVE-2026-62416 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-62416 and fix it if it is affected.

What it is: CVE-2026-62416 is a medium-severity vulnerability in Network Scanner Tool (Bundled software for Sharpdesk), published on 3 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-62416 in the wild and no public exploit code.

Affected product: Network Scanner Tool (Bundled software for Sharpdesk). No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-62416/ (Markdown: https://insights.sbomify.com/CVE-2026-62416/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-62416
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-62416
- OSV: https://osv.dev/vulnerability/CVE-2026-62416

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-62416/
Summaries are generated and may contain mistakes; the official description above is the record.