CVE-2023-40146

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.

• CWE-77
• CWE-798

• 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-2023-40146/47256Vendor Advisory
• https://talosintelligence.com/vulnerability_reports/TALOS-2023-1868Exploit, Third Party 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-2023-40146/47256Vendor Advisory
• https://security.netapp.com/advisory/ntap-20240822-0008/Third Party Advisory
• https://talosintelligence.com/vulnerability_reports/TALOS-2023-1868Exploit, Third Party Advisory
• https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1868

Published

Apr 17, 2024

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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