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CVE Record

CVE-2021-34228: Cross-site scripting in parent_control.htm in TOTOLINK A3002R version V1.1.1-B20200824 (Important Update, n...

Cross-site scripting in parent_control.htm in TOTOLINK A3002R version V1.1.1-B20200824 (Important Update, new UI) allows attackers to execute arbitrary JavaScript by modifying the "Description" field and "Service Name" field.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2021-34228 is an XSS issue in TOTOLINK A3002R firmware V1.1.1-B20200824’s parent_control.htm page. If an attacker can modify parental-control Description or Service Name values, malicious JavaScript could run in another user’s browser. The sources do not provide CVSS, patch status, authentication requirements, or confirmed exploitation.

Executive priority

Treat this as a targeted router-management risk rather than a confirmed broad emergency. Prioritize finding affected devices, limiting admin UI exposure, and checking for vendor firmware guidance. Business urgency rises if these routers are internet-facing or used in unmanaged branch or small-office networks.

Technical view

The reported flaw is cross-site scripting in parent_control.htm affecting TOTOLINK A3002R V1.1.1-B20200824 (Important Update, new UI). Input in the Description and Service Name fields is not safely handled, allowing arbitrary JavaScript execution in the web UI context. Source detail is limited to the CVE record and linked researcher repository.

Likely exposure

Exposure appears limited to TOTOLINK A3002R devices running firmware V1.1.1-B20200824 with the new UI, especially where the device management interface is reachable by untrusted users. The provided sources do not identify other affected models, firmware versions, or CPEs.

Exploitation context

CISA KEV status is false in the bundle, and the cited sources do not report active exploitation. The issue would matter most if attackers can reach the router UI and influence stored parental-control fields viewed by an administrator or another privileged user.

Researcher notes

The source bundle lacks CVSS, CWE, authentication prerequisites, patch information, and detailed impact boundaries. Do not assume unauthenticated exploitation or broader TOTOLINK impact from the supplied evidence. Validate against the exact firmware build and UI path named in the CVE.

Mitigation direction

  • Inventory TOTOLINK A3002R devices and confirm firmware version.
  • Restrict router management UI access to trusted administrative networks.
  • Check TOTOLINK guidance for fixed firmware or vendor-supported mitigations.
  • Avoid exposing the router admin interface to the internet.
  • Review parental-control entries for unexpected Description or Service Name content.

Validation and detection

  • Identify devices running A3002R firmware V1.1.1-B20200824.
  • Confirm whether the new UI and parent_control.htm page are present.
  • Review access controls around the web management interface.
  • Check configuration backups for suspicious parental-control field values.
  • Verify whether vendor firmware updates address this CVE.
Prepared
Confidence
medium
Sources
3

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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

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CVE-2021-34228 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

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.

0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.