Security readout for executives and security teams
Plain-English summary
CVE-2018-21095 is a stored cross-site scripting issue in certain NETGEAR SRR60 and SRS60 devices running firmware before 2.2.1.210. A highly privileged user could store script content that later runs when another user views the affected interface. Business urgency is moderate unless these devices are broadly managed or exposed to untrusted administrators.
Executive priority
Treat this as a moderate-priority hygiene fix for affected NETGEAR infrastructure. Prioritize remediation where the devices support business-critical networks, have shared administration, or are reachable from less-trusted internal segments.
Technical view
The CVE describes stored XSS affecting NETGEAR SRR60 and SRS60 before version 2.2.1.210. CVSS 3.0 is 4.3 with adjacent-network attack vector, low complexity, high privileges required, user interaction required, changed scope, and low confidentiality and integrity impact. No CWE is provided in the source bundle.
Likely exposure
Exposure is limited to organizations using NETGEAR SRR60 or SRS60 devices below firmware 2.2.1.210. The CVSS vector indicates adjacent-network access and high privileges are required, so internet-wide exposure is not supported by the provided sources.
Exploitation context
The source bundle does not show CISA KEV listing or other evidence of active exploitation. Stored XSS still matters because malicious content may persist in a management interface and execute later when another user views it.
Researcher notes
The public CVE data is sparse: affected models and fixed-version boundary are clear, but the source bundle does not include vulnerable parameters, exploit details, CWE mapping, or confirmed exploitation. Validate only through asset inventory, firmware checks, and vendor advisory review.
Mitigation direction
- Upgrade SRR60 and SRS60 firmware to 2.2.1.210 or later.
- Check the NETGEAR advisory for vendor-specific remediation guidance.
- Limit device administration to trusted, authorized administrators.
- Review whether vulnerable devices remain in service or can be retired.
Validation and detection
- Inventory NETGEAR SRR60 and SRS60 devices in managed environments.
- Confirm each device firmware version is 2.2.1.210 or later.
- Identify any devices with administrative interfaces reachable from adjacent or untrusted networks.
- Review administrative accounts for unnecessary high-privilege access.
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-2018-21095 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
- Medium
- CVSS
- 4.3 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AC:L/AV:A/A:N/C:L/I:L/PR:H/S:C/UI:R
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 vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.0/AC:L/AV:A/A:N/C:L/I:L/PR:H/S:C/UI:R1.22.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
4.3MediumVector: CVSS:3.0/AC:L/AV:A/A:N/C:L/I:L/PR:H/S:C/UI:R
Source materials
- CVE List V5 sourceCVE List V5
- https://kb.netgear.com/000060458/Security-Advisory-for-Stored-Cross-Site-Scripting-on-SRS60-and-SRR60-PSV-2018-0218CVE 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.