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CVE Record

CVE-2020-28695: Askey Fiber Router RTF3505VW-N1 BR_SV_g000_R3505VWN1001_s32_7 devices allow Remote Code Execution and retri...

Askey Fiber Router RTF3505VW-N1 BR_SV_g000_R3505VWN1001_s32_7 devices allow Remote Code Execution and retrieval of admin credentials to log into the Dashboard or login via SSH, leading to code execution as root.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysiscritical

Security readout for executives and security teams

Plain-English summary

This CVE describes a serious issue in a specific Askey Fiber Router RTF3505VW-N1 firmware build. The reported impact is remote code execution and recovery of administrator credentials, which could let an attacker control the router as root. The public metadata is sparse, so exposure should be confirmed against actual device inventories.

Executive priority

Treat confirmed deployments as urgent network-edge risk. Router compromise can expose traffic, credentials, and internal access paths. Prioritize isolation and vendor remediation, while recognizing that public evidence lacks patch and exploitation details.

Technical view

CVE-2020-28695 affects Askey Fiber Router RTF3505VW-N1 BR_SV_g000_R3505VWN1001_s32_7, according to the CVE description. Reported impact includes admin credential retrieval for dashboard or SSH access, leading to root-level code execution. No CVSS, CWE, structured CPE, patch, or mitigation detail is provided in the source bundle.

Likely exposure

Exposure is most likely where the named Askey router and firmware build are deployed, especially if the dashboard or SSH is reachable from untrusted networks. The provided CVE data does not identify broader affected versions or products.

Exploitation context

The source bundle does not show CISA KEV listing or other cited confirmation of active exploitation. It does describe remote code execution and credential retrieval, but exploit prevalence and real-world use are not established here.

Researcher notes

Confidence is limited by sparse CVE metadata: no CVSS, CWE, CPE, or official mitigation is included. The key technical claim is root-level RCE via admin credential retrieval on one named firmware build. Validate exposure through inventory rather than assuming all Askey routers are affected.

Mitigation direction

  • Inventory Askey RTF3505VW-N1 devices and confirm firmware versions.
  • Check Askey or ISP guidance for fixed firmware or replacement instructions.
  • Restrict dashboard and SSH access to trusted management networks only.
  • Disable remote administration where it is not operationally required.
  • Rotate administrator credentials after remediation or device replacement.

Validation and detection

  • Confirm whether any device runs BR_SV_g000_R3505VWN1001_s32_7.
  • Verify dashboard and SSH are not internet-reachable.
  • Review router logs for unexpected administrator or SSH access.
  • Check configurations for unauthorized users, keys, or persistence changes.
  • Document vendor or ISP remediation status for each affected device.
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

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

description · low confidence lookup

Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2020-28695 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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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.