# CVE-2026-49194: Acer Connect M6E authentication bypass via SCREEN_CLICK debugging routine

Source: https://junglewise.ai/threats/cve-2026-49194-acer-connect-m6e-authentication-bypass-via-screen-click-debugging  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-06-04. Updated: 2026-06-04  
License: CC BY 4.0 with a link back

CVE-2026-49194 · Severity: info · CVSS 9.4 · Published 2026-06-04

A vulnerability in the Acer Connect M6E 5G portable router allows unauthorized users to bypass the standard login screen. By using a specific debugging command, an attacker can gain direct access to the device's internal command-line interface. This could lead to a complete takeover of the router, allowing attackers to monitor network traffic, change settings, or disable the device.

Technologies: [Acer Connect M6E 5G Portable WiFi Router](https://junglewise.ai/threats/technologies/connect-m6e-5g-portable-wifi-router). Vendors: [Acer](https://junglewise.ai/threats/vendors/acer).

## Quick answers

**Is CVE-2026-49194 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-49194 being exploited in the wild.

**How severe is CVE-2026-49194?** Informational severity, with a CVSS score of 9.4, published 4 June 2026.

**Which products and versions are affected?** Acer Connect M6E 5G Portable WiFi Router M6E_AI_1.00.000019 or earlier.

**Is there a fix for CVE-2026-49194?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-49194 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-49194?** Check whether you run Acer Connect M6E 5G Portable WiFi Router at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The vulnerability exists within a debugging routine identified as SCREEN_CLICK(5053). This routine fails to enforce authentication boundaries, allowing a connection to bypass the standard device login prompt and drop directly into an interactive shell interface. According to the vendor's CVSS 4.0 assessment, the flaw is reachable over the network with low privileges. Exploitation grants the attacker high-impact access to the underlying operating system (shell access), compromising confidentiality, integrity, and availability. Acer has recommended removing these testing/backdoor opcodes from operational firmware as a remediation strategy.

## Affected products

- Acer Connect M6E 5G Portable WiFi Router M6E_AI_1.00.000019 or earlier

## Timeline

- 2026-06-04: advisory: Initial disclosure by Acer and NVD publication

## References

- [https://community.acer.com/en/kb/articles/19707](https://community.acer.com/en/kb/articles/19707)

## Related threats

- [Acer Connect M6E hard-coded AES keys in OTA application](https://junglewise.ai/threats/cve-2026-50226-acer-connect-m6e-hard-coded-aes-keys-in-ota-application)
- [Acer Connect M6E missing bot mitigation in registration endpoint](https://junglewise.ai/threats/cve-2026-50225-acer-connect-m6e-missing-bot-mitigation-in-registration-endpoint)
- [Acer Connect M6E 5G Router Information Exposure in Web Admin Panel](https://junglewise.ai/threats/cve-2026-50224-acer-connect-m6e-5g-router-information-exposure-in-web-admin)
- [Acer Connect M6E shared global API token in /v1/Plan service](https://junglewise.ai/threats/cve-2026-50214-acer-connect-m6e-shared-global-api-token-in-v1-plan-service)
- [Acer Connect M6E IDOR in account validation endpoint](https://junglewise.ai/threats/cve-2026-50213-acer-connect-m6e-idor-in-account-validation-endpoint)