Security readout for executives and security teams
Plain-English summary
This CVE describes cross-site scripting in the NETGEAR JGS516PE/GS116Ev2 administration web panel on version v2.6.0.43. An attacker who can reach the panel may inject script or HTML through the language parameter. Sources do not provide severity scoring, exploit evidence, or fix details.
Executive priority
Treat this as a targeted infrastructure hygiene issue, not a confirmed emergency. Prioritize identifying exposed management interfaces and checking vendor guidance for affected switches.
Technical view
The flaw is XSS in the administration web interface language parameter for NETGEAR JGS516PE/GS116Ev2 v2.6.0.43. The CVE says remote attackers can inject arbitrary web script or HTML. No CVSS vector, CWE mapping, authentication condition, patch version, or active exploitation evidence is provided.
Likely exposure
Likely exposure is organizations still operating the named NETGEAR switch models on v2.6.0.43 with the management web panel reachable by users or networks beyond trusted administrators.
Exploitation context
The provided sources do not show active exploitation, and the CVE is not marked KEV. The practical risk depends on management-interface reachability, administrator browsing behavior, and whether a vendor update or configuration control exists.
Researcher notes
Evidence is limited to the CVE description and NCC Group advisory reference. Do not assume authentication requirements, stored versus reflected behavior, exploit availability, or patched versions without vendor or advisory confirmation.
Mitigation direction
- Inventory NETGEAR JGS516PE and GS116Ev2 switches and confirm firmware versions.
- Restrict administration web panel access to trusted management networks only.
- Check NETGEAR guidance for fixed firmware or vendor-recommended mitigations.
- Avoid exposing switch management interfaces to the internet or untrusted VLANs.
Validation and detection
- Confirm whether any devices run firmware v2.6.0.43.
- Review network controls around the switch administration web interface.
- Check external attack surface scans for exposed management panels.
- Review vendor advisories before deciding remediation status.
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-2020-35228 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://research.nccgroup.com/2021/03/08/technical-advisory-multiple-vulnerabilities-in-netgear-prosafe-plus-jgs516pe-gs116ev2-switches/CVE 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.