SecuriTricks - CVE-2025-8762

Description

A vulnerability was found in INSTAR 2K+ and 4K 3.11.1 Build 1124. This issue affects some unknown processing of the component UART Interface. The manipulation leads to improper physical access control. It is possible to launch the attack on the physical device. The exploit has been disclosed to the public and may be used.

Product(s) Impacted

Vendor	Product	Versions
Instar	Instar 2k+ Instar 4k	3.11.1.1124 3.11.1.1124

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-284

Improper Access Control

The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	instar	instar_2k+	3.11.1.1124	/	/	/	/	/	/	/
a	instar	instar_4k	3.11.1.1124	/	/	/	/	/	/	/

References

https://modzero.com/static/MZ-25-03_modzero_INSTAR.pdf

https://vuldb.com/?ctiid.319865

https://vuldb.com/?id.319865

CVSS Score

7.0 / 10

CVSS Data - 4.0

Attack Vector: PHYSICAL
Attack Complexity: LOW
Attack Requirements: NONE
Privileges Required: NONE
User Interaction: NONE
Scope:
Confidentiality Impact: HIGH
Integrity Impact: HIGH
Availability Impact: HIGH
Exploit Maturity: PROOF_OF_CONCEPT

CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

View Vector String

Timeline

Published: Aug. 13, 2025, 7:15 a.m.
Last Modified: Aug. 13, 2025, 5:33 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

cna@vuldb.com

CVE-2025-8762