Security readout for executives and security teams
Plain-English summary
This vulnerability lets an unauthenticated attacker on an adjacent network run Linux commands as root through Contec FXA3200 Wireless LAN Manager. For a business, compromise of this device can mean full control of the access point and potential network foothold.
Executive priority
Treat this as high priority where FXA3200 devices are deployed. The key business risk is root compromise of network infrastructure from an adjacent network, especially in offices, campuses, warehouses, or segmented environments with weak management isolation.
Technical view
CVE-2022-36158 affects Contec FXA3200 version 1.13.00 and earlier. The issue is insecure permissions around a hidden Wireless LAN Manager page, mapped to CWE-425, allowing root-level command execution. CVSS 3.1 is 8.8 with adjacent-network access, low complexity, no privileges, and no user interaction.
Likely exposure
Exposure is most likely in environments using Contec FXA3200 devices with management access reachable from Wi-Fi or local network segments. The provided affected-product metadata is incomplete, so asset confirmation should rely on inventory and vendor/JVN guidance.
Exploitation context
The bundle does not show CISA KEV listing or cite confirmed active exploitation. Public technical references are included, so defenders should treat details as available, but active in-the-wild exploitation is not established here.
Researcher notes
The evidence supports root command execution through a hidden management page, but the bundle does not provide complete CPE data or a named fixed version. Avoid expanding scope beyond Contec FXA3200 1.13.00 and earlier without vendor confirmation.
Mitigation direction
- Identify any Contec FXA3200 devices and record firmware versions.
- Check Contec and JVN guidance for supported firmware updates or workarounds.
- Restrict Wireless LAN Manager access to trusted administration networks only.
- Block untrusted adjacent or guest network access to device management interfaces.
- Retire or isolate unsupported devices if vendor guidance is unavailable.
Validation and detection
- Search asset inventory for Contec FXA3200 wireless access points.
- Confirm whether firmware is version 1.13.00 or earlier.
- Review network paths to the Wireless LAN Manager interface.
- Check logs for unexpected administrative access or configuration changes.
- Document whether vendor or JVN remediation guidance has been applied.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-425: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2022-36158 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.8HighVector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.contec.com/products-services/computer-networking/flexlan-fx/fx-accesspoint/fxa3200/feature/#sectionCVE reference · x_refsource_MISC
- https://gist.github.com/Nwqda/aac33d1936d2b514a3268f145345abb4CVE reference · x_refsource_MISC
- https://samy.link/blog/contec-flexlan-fxa2000-and-fxa3000-series-vulnerability-repoCVE reference · x_refsource_MISC
- https://jvn.jp/en/vu/JVNVU98305100/CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Direct Request ('Forced Browsing')
Direct Request ('Forced Browsing') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.