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TI-2025-20486 Aliases CVE-2025-27688GHSA-9r3q-46vq-8vvp

Incorrect permission assignment in Dell Wyse Proprietary OS

Priority LOW 35CWE-732Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

Dell ThinOS 2408 and prior, contains an improper permissions vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Elevation of privileges.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00138 3rd percentileScored 2026-11-07
Fix Fixed Wyse Proprietary OS (Modern ThinOS) (Dell): ThinOS 2502

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
DellWyse Proprietary OS (Modern ThinOS)N/A to before ThinOS 2502ThinOS 2502Patch availableCNA
  • Wyse Proprietary OS (Modern ThinOS) VendorDell Affected N/A to before ThinOS 2502 Fixed in ThinOS 2502 Patch available CNA

CPE configurations NVD · 12

CPEVersionsRoleVendor
cpe:2.3:o:dell:thinos:*:*:*:*:*:*:*:*up to 2408VulnerableDell
cpe:2.3:h:dell:latitude_3420:-:*:*:*:*:*:*:*not specified by NVDRunning onDell
cpe:2.3:h:dell:latitude_3440:-:*:*:*:*:*:*:*not specified by NVDRunning onDell
cpe:2.3:h:dell:latitude_5440:-:*:*:*:*:*:*:*not specified by NVDRunning onDell
cpe:2.3:h:dell:latitude_5450:-:*:*:*:*:*:*:*not specified by NVDRunning onDell
cpe:2.3:h:dell:optiplex_3000_thin_client:-:*:*:*:*:*:*:*not specified by NVDRunning onDell
cpe:2.3:h:dell:optiplex_5400_all-in-one:-:*:*:*:*:*:*:*not specified by NVDRunning onDell
cpe:2.3:h:dell:optiplex_7410_all-in-one:-:*:*:*:*:*:*:*not specified by NVDRunning onDell
cpe:2.3:h:dell:optiplex_7420_all-in-one:-:*:*:*:*:*:*:*not specified by NVDRunning onDell
cpe:2.3:h:dell:wyse_5070_thin_client:-:*:*:*:*:*:*:*not specified by NVDRunning onDell
  • cpe:2.3:o:dell:thinos:*:*:*:*:*:*:*:* Versions up to 2408 Vulnerable ·Dell
  • cpe:2.3:h:dell:latitude_3420:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dell
  • cpe:2.3:h:dell:latitude_3440:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dell
  • cpe:2.3:h:dell:latitude_5440:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dell
  • cpe:2.3:h:dell:latitude_5450:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dell
  • cpe:2.3:h:dell:optiplex_3000_thin_client:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dell
  • cpe:2.3:h:dell:optiplex_5400_all-in-one:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dell
  • cpe:2.3:h:dell:optiplex_7410_all-in-one:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dell
  • cpe:2.3:h:dell:optiplex_7420_all-in-one:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dell
  • cpe:2.3:h:dell:wyse_5070_thin_client:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dell
Show 2 more CPE
CPEVersionsRoleVendor
cpe:2.3:h:dell:wyse_5470_all-in-one_thin_client:-:*:*:*:*:*:*:*not specified by NVDRunning onDell
cpe:2.3:h:dell:wyse_5470_mobile_thin_client:-:*:*:*:*:*:*:*not specified by NVDRunning onDell
  • cpe:2.3:h:dell:wyse_5470_all-in-one_thin_client:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dell
  • cpe:2.3:h:dell:wyse_5470_mobile_thin_client:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dell

Remediation

  • Fix · CNA Wyse Proprietary OS (Modern ThinOS) (Dell) Fixed in ThinOS 2502

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-27688
  2. 2026-10-03 Alias added: GHSA-9r3q-46vq-8vvp

References

Advisory 1

  • TI-2026-56219 OS command injection in Dell ThinOS 10 CVSS 3.1CRITICAL 9.8
  • TI-2026-56047 Improper access control in Dell ThinOS 10 CVSS 3.1CRITICAL 9.4
  • TI-2026-56048 Command injection in Dell ThinOS 10 CVSS 3.1CRITICAL 9.6
  • TI-2026-56220 OS command injection in Dell ThinOS 10 CVSS 3.1CRITICAL 9.1
  • TI-2025-28316 Protection mechanism failure in Dell ThinOS 10 CVSS 3.1CRITICAL 9.8
  • TI-2024-35752 Command injection in Dell Wyse Proprietary OS CVSS 3.1HIGH 8.4
See all 19 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences