Security readout for executives and security teams
Plain-English summary
CVE-2018-14559 is a buffer overflow in the web server of specific Tenda AC7, AC9, and AC10 router firmware. A maliciously crafted web request could corrupt memory. The source bundle does not provide CVSS, a vendor fix, or confirmed exploitation evidence.
Executive priority
Treat as a high-priority network edge risk if these Tenda routers are deployed. Prioritize inventory and management-interface isolation first, then confirm whether vendor-supported firmware or device replacement is available.
Technical view
The CVE describes unsafe sprintf handling of list parameters in httpd POST processing. The value is written into a stack local variable and can overwrite the function return address. 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 web administration interfaces are reachable by untrusted users, especially from the internet or shared networks. The bundle does not identify affected CPEs or all regional firmware variants.
Exploitation context
The bundle includes a public GitHub reference and the CVE description, but KEV is false and no cited source confirms active exploitation. The return-address overwrite detail indicates serious memory-corruption risk, but exploit reliability and impact are not established here.
Researcher notes
Evidence is limited to the CVE record and public researcher reference. No CVSS, CWE, patch identifier, CPE list, or confirmed exploitation is provided in the bundle. Avoid assuming broader Tenda impact beyond the named models and firmware versions.
Mitigation direction
- Inventory Tenda AC7, AC9, and AC10 routers and firmware versions.
- Check Tenda guidance for fixed firmware, replacement, or support status.
- Disable WAN or remote access to the router web administration interface.
- Restrict administration access to trusted management networks only.
- Replace unsupported affected devices if no vendor fix is available.
Validation and detection
- Confirm each router model and firmware version against the CVE description.
- Verify the web administration interface is not internet-accessible.
- Review firewall rules for unexpected access to router management ports.
- Check router and perimeter logs for crashes or unusual management requests.
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-2018-14559 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/zsjevilhex/iot/blob/master/route/tenda/tenda-02/Tenda.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.