Paper/Archive/CVE-2023-40146

CVE-2023-40146

Peplink Smart Reader — A privilege escalation vulnerability exists in the /bin/login functionality of Peplink Smart Reader v1.2.0 (in QEMU).

EPSS 1%CVSS 9.8

critical.is priorityof 100

CVSS 9.8 (NVD)9.8 / 10 × 3029.4 Not in CISA KEV+300.0 EPSS percentile 73.1.731 × 2014.6 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource

Smart Readerv1.2.0 (in QEMU)–CNA

smart_readerv1.2.0–CISA-ADP

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

talos (CNA)6.8CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

reftalosintelligence.com/vulnerability_reports/TALOS-2023-1868 refforum.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 refsecurity.netapp.com/advisory/ntap-20240822-0008 reftalosintelligence.com/vulnerability_reports/TALOS-2023-1868