Security readout for executives and security teams
Plain-English summary
CVE-2017-18862 is an authentication bypass in certain NETGEAR ProSAFE Web Managed Switches. If vulnerable firmware is still deployed, an attacker may be able to bypass login controls on switch management functions. The sources do not provide CVSS, exploit details, or active exploitation evidence.
Executive priority
Treat this as a high-priority legacy network infrastructure check. The issue affects authentication on switch management interfaces, but urgency depends on whether affected models and old firmware remain deployed.
Technical view
The CVE record lists authentication bypass affecting multiple NETGEAR switch models before 2017-05-11, including JGS516PE, JGS524Ev2, GS105Ev2, GS108Ev3, GS116Ev2, GSS108E, XS708Ev2, and XS716E families. No CWE, CVSS vector, exploitability details, or affected CPEs are provided in the bundle.
Likely exposure
Exposure is most likely in environments still operating the named NETGEAR Web Managed Switch models on firmware dated before 2017-05-11. Internet exposure is not established by the sources; management-plane reachability must be checked locally.
Exploitation context
The source bundle does not show CISA KEV listing, public exploit confirmation, or active exploitation. Authentication bypass is serious because it targets access control, but available evidence is limited to the CVE description and NETGEAR advisory reference.
Researcher notes
Evidence is sparse: no CVSS, CWE, CPE, or exploit telemetry is included. The strongest technical anchor is the affected model list and pre-2017-05-11 firmware cutoff from the CVE description, plus the NETGEAR advisory reference.
Mitigation direction
- Identify whether listed NETGEAR switch models are in use.
- Check firmware dates against the 2017-05-11 affected cutoff.
- Consult NETGEAR advisory PSV-2015-0043 for model-specific fixed firmware.
- Upgrade affected devices following NETGEAR guidance.
- Restrict switch management access while remediation is planned.
Validation and detection
- Inventory switch model names and firmware versions.
- Confirm whether firmware is before 2017-05-11.
- Verify the device appears in the CVE affected model list.
- Review NETGEAR advisory for corrected firmware applicability.
- After updating, confirm firmware is no longer in the affected range.
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.
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-2017-18862 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://kb.netgear.com/000037849/Security-Advisory-for-Authentication-Bypass-on-ProSAFE-Web-Managed-Switches-PSV-2015-0043CVE reference · x_refsource_CONFIRM
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.