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Tool Directory

CVE-2026-21010

HighPublished

Improper input validation in Retail Mode prior to SMR Apr-2026 Release 1 allows local attackers to trigger privileged functions.

Published: Apr 13, 2026
Updated: Apr 13, 2026
Assigning CNA: SamsungMobile
Evidence observed: Aug 14, 2026

Primary CVSS

7.8/ 10High

nvd · CVSS 3.1

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS probability estimate

0.1%

Low · next 30 days

Percentile: 1.2%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

Improper input validation in Retail Mode prior to SMR Apr-2026 Release 1 allows local attackers to trigger privileged functions.

Sources

CVE-2026-21010-VoIP-SIP-Digest-Authentication-ReplayPoC
Python PoC for CVE-2026-21010 that replays captured SIP digest Authorization headers to bypass nonce uniqueness/expiration and make unauthorized VoIP calls.

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