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CVE-2025-21056VulnerabilityPublished

CVE-2025-21056: Samsung Mobile Retail Mode · Improper Input Validation

Affects Samsung Mobile Retail ModeSource CVE Database V5

0

Not known to be exploited · CVSS 6.6 Medium : upgrade to 5.59.4 when convenient.

Data as of 26 Oct 2026, 07:57 UTC

CVSS 3.1 base score
6.6Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 8% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 5.59.4
CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 25 Sep 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.

What to do

Upgrade Samsung Mobile Retail Mode to 5.59.4.

Affected software

ProductAffectedFixed in
Samsung Mobile Retail ModeAffected
  • <5.59.4
Fixed in
  • 5.59.4

AI-suggested

Organizations should prioritize updating Samsung Retail Mode software to version 5.59.4 or later as soon as the patch becomes available. Until patched, strict physical security controls must be enforced to prevent unauthorized access to devices in retail environments. This includes limiting device access to trusted personnel, employing surveillance, and using tamper-evident seals or locks. Additionally, organizations should audit and monitor devices for unusual behavior indicative of exploitation attempts. Implementing endpoint detection and response (EDR) solutions on devices where feasible can help detect privilege escalation activities. Training retail staff to recognize and report suspicious device behavior is also recommended. From a configuration perspective, disabling Retail Mode on devices not actively used for demonstration purposes reduces the attack surface. Finally, organizations should maintain an inventory of all Samsung devices running Retail Mode to ensure timely patch management and incident response readiness.

Description

Improper input validation in Retail Mode prior to version 5.59.4 allows self attackers to execute privileged commands on their own devices.

References

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