How severe is CVE-2023-43491?

CVE-2023-43491 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2023-43491 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-43491?

CVE-2023-43491 affects Peplink Smart Reader Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-43491?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2023-43491 have an EU (EUVD) identifier?

Yes. CVE-2023-43491 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-47906.

When was CVE-2023-43491 published?

CVE-2023-43491 was published on 2024-04-17 and last updated on 2026-06-17.

CVE-2023-43491

CVE-2023-43491 is a medium-severity vulnerability in Peplink Smart Reader Firmware with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-47906
Weakness: CWE-284
Affected product: Peplink Smart Reader Firmware
Published: 2024-04-17
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2023-43491?: 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.
How severe is CVE-2023-43491?: CVE-2023-43491 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2023-43491 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-43491?: CVE-2023-43491 affects Peplink Smart Reader Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-43491?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-43491 have an EU (EUVD) identifier?: Yes. CVE-2023-43491 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-47906.
When was CVE-2023-43491 published?: CVE-2023-43491 was published on 2024-04-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:peplink:smart_reader_firmware:1.2.0:*:*:*:*:*:*:*

Other CWE-284 (Improper Access Control) vulnerabilities

CVE-2026-50746 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Access Control vulnerability found in UniFi…
CVE-2026-46978 — Critical (CVSS 10.0): Vulnerability in the Oracle Solaris product of Oracle Systems (component: Remote Administration Daemon). The…
CVE-2026-35308 — Critical (CVSS 10.0): Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Centralized Third Party Jars).…
CVE-2026-35307 — Critical (CVSS 10.0): Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Core). Supported versions that…
CVE-2026-46695 — Critical (CVSS 10.0): Boxlite is a sandbox service that allows users to create lightweight virtual machines (Boxes) and launch OCI containers…
CVE-2026-46840 — Critical (CVSS 10.0): Vulnerability in Oracle REST Data Services (component: Backend-as-a-Service). Supported versions that are affected are…

Browse all CWE-284 (Improper Access Control) vulnerabilities →