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Vulnerability record · CVE-2023-43491 · published 17 April 2024

CVE-2023-43491: Peplink smart reader firmware improper access control vulnerability

Peplink · Smart Reader Firmware

An information disclosure vulnerability exists in the web interface /cgi-bin/debug_dump.cgi functionality of Peplink Smart Reader v1.2.0 (in QEMU). A specially crafted HTTP request can lead to a disclosure of sensitive information. An attacker can make an unauthenticated HTTP request to trigger this vulnerability.

7.5 CVSS 3.1 High EPSS 1.5% · top 27.0% CWE-284 · Improper access control
7.5CVSS 3.1 base score
1.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

An information disclosure vulnerability exists in the web interface /cgi-bin/debug_dump.cgi functionality of Peplink Smart Reader v1.2.0 (in QEMU). A specially crafted HTTP request can lead to a disclosure of sensitive information. An attacker can make an unauthenticated HTTP request to trigger this vulnerability.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://forum.peplink.com/t/peplink-security-advisory-smart-reader-firmware-1-2-0-cve-2023-43491-cve-2023-45209-cve-2023 Vendor Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2023-1863 ExploitThird Party Advisory
https://forum.peplink.com/t/peplink-security-advisory-smart-reader-firmware-1-2-0-cve-2023-43491-cve-2023-45209-cve-2023 Vendor Advisory
https://security.netapp.com/advisory/ntap-20240828-0005/ Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2023-1863 ExploitThird Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1863

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-43491), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.