CVE-2025-21056: Samsung Mobile Retail Mode · Improper Input Validation
Affects Samsung Mobile Retail ModeSource CVE Database V5
Not known to be exploited · CVSS 6.6 Medium : upgrade to 5.59.4 when convenient.
Data as of 26 Oct 2026, 14:05 UTC
- 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:HExploitation evidence
Disclosed: evidence found.
CVE published 25 Sep 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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 26 Oct 2026.
What to do
Upgrade Samsung Mobile Retail Mode to 5.59.4.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Samsung Mobile Retail Mode | Affected
| Fixed in
|
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.