Security readout for executives and security teams
Plain-English summary
CVE-2024-44667 affects a reported HCX H822 4G LTE router firmware build. The weakness may allow unauthorized reset behavior and command injection, with reported outcomes including information exposure and root shell access. Treat it as high risk where this router model and firmware are present.
Executive priority
Prioritize remediation for any deployed HCX H822 routers, especially in operational or remote-access environments. Business risk is high because compromise could expose data and grant root-level device control.
Technical view
The CVE describes incorrect access control in Shenzhen Haichangxing HCX H822 firmware M7628NNxISPxUIv2_v1.0.1557.15.35_P0. Reported impact includes unauthenticated factory mode reset and command injection. CVSS 3.1 is 8.0 high, mapped to CWE-863, but structured affected vendor/product fields are listed as n/a.
Likely exposure
Exposure is most likely limited to organizations using the HCX H822 4G LTE router with the named firmware build. The record lacks CPEs and normalized affected product data, so inventory validation is necessary.
Exploitation context
The source bundle does not show CISA KEV inclusion or active exploitation claims. A public research reference exists, but the provided evidence does not establish exploitation in the wild.
Researcher notes
Evidence is limited to the CVE metadata and one public write-up reference. Note the inconsistency between the description saying unauthenticated and the CVSS vector showing PR:L and AV:A. Avoid assuming broader JBoneOS/JBoneCloud product impact without vendor confirmation.
Mitigation direction
Check Shenzhen Haichangxing or device supplier guidance for firmware updates or replacement advice.
Remove router management access from untrusted networks and adjacent user segments.
Restrict access to administrative interfaces using network controls and strong authentication.
Replace or isolate affected devices if no vendor-supported fix is available.
Monitor for unexpected factory resets, configuration changes, or device compromise indicators.
Validation and detection
Inventory HCX H822 routers and record exact firmware versions.
Compare firmware against M7628NNxISPxUIv2_v1.0.1557.15.35_P0.
Review network exposure of router management and diagnostic interfaces.
Check whether vendor, integrator, or carrier firmware updates are available.
Confirm monitoring covers router resets, configuration changes, and administrative access.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Potential ATT&CK relevance
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 · medium confidence lookup
CWE-863: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. 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.
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
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.
1CVSS vectors
3Timeline events
1ADP providers
2Source links
SSVC decision data
CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: pocAutomatable: noTechnical Impact: total
CVSS vector scores
1 official score
We 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.
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
CWE-863 · source CWE mapping
Incorrect Authorization
Incorrect Authorization represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.