Security readout for executives and security teams
Plain-English summary
CVE-2018-17022 is a router flaw affecting ASUS GT-AC5300 firmware through 3.0.0.4.384_32738. A remote attacker could crash the device, disrupting connectivity. The public record also says other impact may be possible, but does not define or prove it.
Executive priority
Treat this as a targeted network edge availability risk. Prioritize if the model is deployed in offices, remote sites, or exposed management environments.
Technical view
The issue is a stack-based buffer overflow in the router web service. The CVE description attributes it to unsafe copying in ej_select_list within router/httpd/web.c when handling a long sh_path0 value and a related appGet.cgi request.
Likely exposure
Exposure is limited to ASUS GT-AC5300 routers running firmware through 3.0.0.4.384_32738, especially where the management interface is reachable by untrusted users.
Exploitation context
The CVE references a public technical write-up, but the provided sources do not show CISA KEV listing, active exploitation, malware use, or confirmed code execution.
Researcher notes
Evidence supports a stack overflow and denial-of-service impact. The public description says possible unspecified other impact, but the supplied sources do not substantiate exploitability beyond crash potential.
Mitigation direction
- Identify any ASUS GT-AC5300 routers in inventory.
- Confirm firmware versions and compare against ASUS vendor guidance.
- Restrict router administration interfaces to trusted management networks.
- Disable remote administration if it is not required.
- Monitor for unexpected router crashes or management interface errors.
Validation and detection
- Review asset inventory for ASUS GT-AC5300 devices.
- Check firmware version against 3.0.0.4.384_32738.
- Verify management interfaces are not exposed to untrusted networks.
- Look for repeated device crashes or web service instability.
- Track ASUS advisories for confirmed fixed firmware guidance.
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-2018-17022 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/PAGalaxyLab/VulInfo/blob/master/ASUS/buffer_overflow/ASUS%20GT-AC5300%20stack%20overflow.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.