Cyber Resilience

CVE-2022-36158

HighPublic PoC

Published: 26 September 2022

Published
26 September 2022
Modified
21 May 2025
KEV Added
Patch
CVSS Score v3.1 8.0 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0050 66.2th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-36158 is a high-severity Forced Browsing (CWE-425) vulnerability in Contec Fxa3000 Firmware. Its CVSS base score is 8.0 (High).

Operationally, ranked in the top 33.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

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).

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

contec
fxa3000 firmware
≤ 1.13.00
contec
fxa3020 firmware
≤ 1.13.00
contec
fxa3200 firmware
≤ 1.13.00
contec
fxa2000 firmware
≤ 1.39.00

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-425

Forcing a decision on every access request, including direct ones, reduces the exploitability of forced browsing by ensuring no unchecked access paths.

addresses: CWE-425

Forces all accesses through the reference monitor, preventing direct or forced requests that bypass checks.

addresses: CWE-425

Enforcing access for all logical requests prevents unauthorized direct access to protected resources.

addresses: CWE-425

Displaying the notification before further access on public systems prevents direct resource requests from bypassing the required system use terms and consent.

addresses: CWE-425

Decoy endpoints catch forced browsing and direct requests, deflecting attackers from legitimate resources while enabling analysis.

addresses: CWE-425

Blocks unauthorized direct requests or forced browsing by denying input access to non-authorized actors.

References