Vulnerability identifier: #VU88813

Vulnerability risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-43491

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Smart Reader
Hardware solutions / Firmware

Vendor: Peplink

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in the web interface /cgi-bin/debug_dump.cgi functionality. A remote attacker can send a specially crafted HTTP request gain access to sensitive information.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Smart Reader: 1.2.0

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External links
http://talosintelligence.com/vulnerability_reports/TALOS-2023-1863
http://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

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.