CVE-2023-40146

MEDIUM

Peplink Smart Reader Firmware 1.2.0 - Privilege Escalation via /bin/login Hard-coded Credentials

Title source: llm

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.

References (4)

Core 4

Core References

Vendor Advisory

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

Exploit, Third Party Advisory

https://talosintelligence.com/vulnerability_reports/TALOS-2023-1868

Third Party Advisory

https://security.netapp.com/advisory/ntap-20240822-0008/

Third Party Advisory

https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1868

Scores

CVSS v3 6.8

EPSS 0.0143

EPSS Percentile 69.6%

Attack Vector PHYSICAL

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-798 CWE-77

Status published

Products (1)

peplink/smart_reader_firmware 1.2.0

Published Apr 17, 2024

Tracked Since Feb 18, 2026