VulnerabilityModified
CVE-2023-40146
A privilege escalation vulnerability exists in the /bin/login functionality of Peplink Smart Reader v1.2.0 (in QEMU).
CRITICAL 9.8EPSS 1.44%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.44%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.44% probability · 72th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-77, CWE-798
- Affected
- peplink/smart reader firmware
- Source
- talos-cna@cisco.com
References
- 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.