CVE-2026-49190 CRITICAL

CVE-2026-49190: Missing Per-Instruction Authorization Checks

Vendor Acer

Product Connect M6E 5G Portable WiFi Router

Weakness CWE-78

Published June 4, 2026

Last update June 4, 2026

View on NVD All CVEs

CVSS base score

9.4/10

Attack vector Network

Attack complexity Low

Privileges required Low

User interaction None

Confidentiality —

Integrity —

CVSS vector

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

What the vulnerability does

01Description

The system fails to evaluate instructional permissions over multiple internal operation codes (opcodes), permitting unauthorized application installations or command executions.

Key dates

02Disclosure timeline

June 4, 2026 CVE published

June 4, 2026 Record updated

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-49190 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/78.html

Related vulnerabilities

Identifiers

CVE CVE-2026-49190

CWE CWE-78

CVSS 9.4 / CRITICAL

Affected versions