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CVE-2023-40146

Published: Apr 17, 2024Updated: Nov 4, 2025 Sources: CVE List NVDCWE-77
NVD MITRE
6.8CVSSMEDIUM
EPSS Score
1.4%
Top 30.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

A privilege escalation vulnerability exists in the /bin/login functionality of Peplink Smart Reader v1.2.0 (in QEMU). A specially crafted command line argument can lead to a limited-shell escape and elevated capabilities. An attacker can authenticate with hard-coded credentials and execute unblocked default busybox functionality to trigger this vulnerability.

CVSS Vector Breakdown

AV:PAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:PAttack Vector
Physical
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-77CWE-798

Affected Products

Smart ReaderPeplinkNetworking Infrastructure
smart reader firmwarepeplinkNetworking Infrastructure
peplinkcommercialHKNetworking Infrastructure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

3 techniques
Credential Access
Execution
Initial Access
View detailed technique mapping

References

https://talosintelligence.com/vulnerability_reports/TALOS-2023-1868
talosintelligence.com
https://forum.peplink.com/t/peplink-security-advisory-smart-reader-firmware-1-2-0-cve-2023-43491-cve-2023-45209-cve-2023-39367-cve-2023-45744-cve-2023-40146/47256
forum.peplink.com
https://security.netapp.com/advisory/ntap-20240822-0008/
security.netapp.com
and 1 more references View all →

Timeline

Published
Apr 17, 2024
Last Updated
Nov 4, 2025

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