# CVE-2026-49194: SCREEN_CLICK Authentication Bypass

> An attacker can bypass authentication via a debugging routine to gain direct shell access on Acer Connect M6E routers.

- **Severity:** Critical 9.4 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 4 Jun 2026
- **Updated:** 4 Jun 2026
- **Also known as:** GHSA-45g5-qmv3-9f22

## What is CVE-2026-49194?

CVE-2026-49194 is a critical authentication bypass vulnerability in Acer Connect M6E 5G Portable WiFi Router, published on 4 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

The debugging routine SCREEN_CLICK(5053) enables a connection to skip the standard device login prompt entirely and directly enter an interactive shell interface.

Weakness: CWE-287 (Improper Authentication)

## Which versions are affected by CVE-2026-49194?

It affects 1 product.


Products: Acer Connect M6e 5g Firmware.

## How do I fix CVE-2026-49194?

No fix has been published for CVE-2026-49194 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-49194 being exploited?

There is no known exploitation of CVE-2026-49194 in the wild and no public exploit code.

## Other vulnerabilities in Acer Connect M6E 5G Portable WiFi Router

- [CVE-2026-49185](https://insights.sbomify.com/CVE-2026-49185/): Instruction Injection via FieldX MDM (critical 10.0)
- [CVE-2026-49190](https://insights.sbomify.com/CVE-2026-49190/): Missing Per-Instruction Authorization Checks (critical 9.4)
- [CVE-2026-49191](https://insights.sbomify.com/CVE-2026-49191/): Exposed Hard-coded M3WebServer Backend API Key (critical 9.3)
- [CVE-2026-50209](https://insights.sbomify.com/CVE-2026-50209/): MDM Server Registration Overriding (critical 9.3)
- [CVE-2026-50214](https://insights.sbomify.com/CVE-2026-50214/): Shared Secret Quota Inflation (critical 9.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-49194 and fix it if it is affected.

What it is: CVE-2026-49194 is a critical authentication bypass vulnerability in Acer Connect M6E 5G Portable WiFi Router, published on 4 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-49194 in the wild and no public exploit code.

Affected product: Acer Connect M6E 5G Portable WiFi Router. 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-2026-49194/ (Markdown: https://insights.sbomify.com/CVE-2026-49194/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-49194
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-49194
- OSV: https://osv.dev/vulnerability/CVE-2026-49194

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-49194/
Summaries are generated and may contain mistakes; the official description above is the record.