CVE-2026-49203 PUBLISHED

Unauthenticated eSIM Configuration Manipulation

Assigner: Acer
Reserved: 28.05.2026 Published: 04.06.2026 Updated: 04.06.2026

Crucial management API endpoints for cellular eSIM allocation do not validate caller authorization, allowing remote profiles to be rewritten or deleted.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS Score: 7.2

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Adjacent	Confidentiality	Low	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	Acer
Product	Connect M6E 5G Portable WiFi Router
Versions	Default: unaffected affected from * to M6E_AI_1.00.000019 (incl.)

Credits

Ta-Lun Yen finder

References

https://community.acer.com/en/kb/articles/19707

Problem Types

CWE-287: Improper Authentication CWE

Impacts

CAPEC-115: Authentication Bypass