Security readout for executives and security teams
Plain-English summary
CVE-2018-14492 affects specific Tenda AC7, AC9, and AC10 router firmware versions. A malformed, overly long speed-limit parameter can trigger a stack buffer overflow in the router web interface. Public data does not confirm active exploitation, a CVSS score, or an official fix.
Executive priority
Prioritize if these routers are used in business networks or have remote administration enabled. Treat internet-exposed devices as urgent. If the models are absent, no action is needed beyond normal asset verification.
Technical view
The CVE describes a stack-based buffer overflow through long limitSpeed or limitSpeedup parameters sent to an unspecified /goform URI. Affected versions are AC7 through V15.03.06.44_CN, AC9 through V15.03.05.19(6318)_CN, and AC10 through V15.03.06.23_CN.
Likely exposure
Exposure is most likely where affected Tenda router administration interfaces are reachable by untrusted users. Internet-facing management, shared administrative access, or unmanaged small-office networks increase concern. The source does not state whether authentication is required.
Exploitation context
A public GitHub reference is listed, but the provided sources do not establish real-world exploitation or CISA KEV listing. The vulnerability class can be serious because routers sit at network edges, but exploitation prerequisites are not fully documented here.
Researcher notes
The record is sparse: no CVSS, CWE, authentication requirement, or vendor fix is included in the supplied data. The affected parameter names and /goform path are known, but the exact endpoint is unspecified. Avoid assuming exploitability beyond the published description.
Mitigation direction
- Inventory Tenda AC7, AC9, and AC10 routers and record firmware versions.
- Check Tenda guidance for fixed firmware or replacement recommendations.
- Disable internet-facing router administration where possible.
- Restrict management access to trusted internal networks only.
- Replace devices if no supported firmware or vendor guidance is available.
Validation and detection
- Compare firmware versions against the affected version ranges in the CVE.
- Confirm management interfaces are not exposed to the internet.
- Review router administration access controls and allowed source networks.
- Check vendor support channels for firmware updates or advisories.
- Monitor affected devices for unexpected reboots or configuration changes.
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.
CVE-2018-14492 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://github.com/ZIllR0/Routers/blob/master/Tendaoob1.mdCVE 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.