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5.2

Attackers Can Bypass Carrier Relock on Some Phones

CVE-2026-20974 · published 9 months ago
Summary

A security issue in some phones allows attackers to bypass a security feature that locks a phone to a specific carrier. This could allow an attacker to use the phone on a different carrier. Affected phone owners should update to the latest software when available.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
samsung android 13.0
14.0
15.0
16.0
cpe:2.3:o:samsung:android:13.0:smr-apr-2022-r1:*:*:*:*:*:*
Original advisory text
Improper input validation in data related to network restrictions prior to SMR Jan-2026 Release 1 allows physical attackers to bypass Carrier Relock.
Improper input validation in data related to network restrictions prior to SMR Jan-2026 Release 1 allows physical attackers to bypass Carrier Relock.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker partial control
Severity
5.2 Medium
Exploitation
<1% chance of attack within 30 days
Timeline
Published9 Jan 2026
Updated30 Oct 2026
First seen7 Mar 2026
Sources
CVE-2026-20974 · NVD
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