How severe is CVE-2023-42336?

CVE-2023-42336 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-42336 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-42336?

CVE-2023-42336 affects Netis-systems Wf2409e Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-42336?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2023-42336 published?

CVE-2023-42336 was published on 2023-09-16 and last updated on 2026-06-17.

CVE-2023-42336

CVE-2023-42336 is a critical-severity vulnerability in Netis-systems Wf2409e Firmware with a CVSS 3.x base score of 9.8. 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-798.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-798
Affected product: Netis-systems Wf2409e Firmware
Published: 2023-09-16
Last modified: 2026-06-17

Description

An issue in NETIS SYSTEMS WF2409Ev4 v.1.0.1.705 allows a remote attacker to execute arbitrary code and obtain sensitive information via the password parameter in the /etc/shadow.sample component.

Frequently asked questions

What is CVE-2023-42336?: An issue in NETIS SYSTEMS WF2409Ev4 v.1.0.1.705 allows a remote attacker to execute arbitrary code and obtain sensitive information via the password parameter in the /etc/shadow.sample component.
How severe is CVE-2023-42336?: CVE-2023-42336 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-42336 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-42336?: CVE-2023-42336 affects Netis-systems Wf2409e Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-42336?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-42336 published?: CVE-2023-42336 was published on 2023-09-16 and last updated on 2026-06-17.

References

https://github.com/adhikara13/CVE/blob/main/netis_WF2409E/Root_Hard_Code.md

Affected products (1)

cpe:2.3:o:netis-systems:wf2409e_firmware:1.0.1.705:*:*:*:*:*:*:*

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