How severe is CVE-2022-36158?

CVE-2022-36158 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-36158 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-2022-36158?

CVE-2022-36158 primarily affects Contec Fxa3000 Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-36158?

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

When was CVE-2022-36158 published?

CVE-2022-36158 was published on 2022-09-26 and last updated on 2026-06-17.

CVE-2022-36158

CVE-2022-36158 is a high-severity vulnerability in Contec Fxa3000 Firmware with a CVSS 3.x base score of 8.0. 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-425.

Key facts

Severity: High (CVSS 3.x base score 8.0)
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-425
Affected product: Contec Fxa3000 Firmware
Published: 2022-09-26
Last modified: 2026-06-17

Description

Contec FXA3200 version 1.13.00 and under suffers from Insecure Permissions in the Wireless LAN Manager interface which allows malicious actors to execute Linux commands with root privilege via a hidden web page (/usr/www/ja/mnt_cmd.cgi).

Frequently asked questions

What is CVE-2022-36158?: Contec FXA3200 version 1.13.00 and under suffers from Insecure Permissions in the Wireless LAN Manager interface which allows malicious actors to execute Linux commands with root privilege via a hidden web page (/usr/www/ja/mnt_cmd.cgi).
How severe is CVE-2022-36158?: CVE-2022-36158 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-36158 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-2022-36158?: CVE-2022-36158 primarily affects Contec Fxa3000 Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-36158?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-36158 published?: CVE-2022-36158 was published on 2022-09-26 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:o:contec:fxa3000_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:contec:fxa3020_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:contec:fxa3200_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:contec:fxa2000_firmware:*:*:*:*:*:*:*:*

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