Security readout for executives and security teams
Plain-English summary
Some Inteno routers allowed the low-privileged “user” account to perform powerful file operations and add root SSH keys through JUCI/ubus. If that account used weak credentials, an attacker with management access could potentially take persistent administrative control of the router.
Executive priority
Treat this as urgent for Inteno router fleets exposed to customers, guests, or the internet. Business risk is device takeover and persistence, but scope is uncertain because affected models and fixed versions are not identified in the provided sources.
Technical view
The issue is described as a JUCI ACL misconfiguration exposing JSON ubus actions to the “user” account, including file read/write and adding root SSH keys. The source bundle does not identify exact affected models, firmware versions, CVSS, or a vendor patch.
Likely exposure
Exposure is most likely where Inteno routers run affected JUCI firmware and the management interface is reachable by untrusted users, especially with default, weak, or Wi-Fi-key-matching “user” credentials. Exact affected versions are not established in the provided sources.
Exploitation context
The CVE is not listed as KEV, and the bundle provides no evidence of active exploitation. A public technical write-up exists. The described prerequisite is access to the router’s authenticated “user” account or equivalent management access.
Researcher notes
Key evidence is a single public write-up plus CVE metadata. The core flaw is authorization failure in JUCI ACLs around ubus JSON operations. Do not assume broad Inteno coverage without firmware confirmation. No active exploitation evidence is provided.
Mitigation direction
- Inventory Inteno routers and identify firmware using JUCI management components.
- Check Inteno or ISP guidance for affected firmware and available updates.
- Change default or weak router “user” credentials immediately.
- Restrict router management access to trusted administrative networks only.
- Review and remove unauthorized root SSH keys.
- Disable unnecessary remote administration where possible.
Validation and detection
- Confirm whether deployed Inteno routers match affected firmware described by vendor guidance.
- Verify the “user” account does not retain default or Wi-Fi-derived credentials.
- Check management interfaces are not reachable from untrusted networks.
- Inspect router configuration for unexpected SSH keys or file changes.
- Document any unsupported or unverifiable devices for replacement planning.
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
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Credential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2017-11361 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://neonsea.uk/blog/2017/07/17/cve-2017-11361.htmlCVE 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.