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CVE Record

CVE-2022-36552: Tenda AC6(AC1200) v5.0 Firmware v02.03.01.114 and below contains an issue in the component /cgi-bin/Downloa...

Tenda AC6(AC1200) v5.0 Firmware v02.03.01.114 and below contains an issue in the component /cgi-bin/DownloadFlash which allows attackers to steal all data such as source code and system files via a crafted GET request.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2022-36552 describes a data exposure issue in Tenda AC6(AC1200) v5.0 firmware v02.03.01.114 and earlier. The reported endpoint can allow an attacker to retrieve sensitive device data, including system files and source code. Public scoring and vendor remediation details were not provided in the source bundle.

Executive priority

Treat this as a high-priority edge-device data exposure risk if affected routers are deployed. Prioritize internet-facing or remotely managed devices first, then confirm vendor remediation availability. Lack of CVSS data reduces precision, not business relevance.

Technical view

The CVE record identifies /cgi-bin/DownloadFlash as the affected component. A crafted GET request is reported to allow theft of all data from affected firmware. The supplied sources do not state authentication requirements, network adjacency, CVSS metrics, CWE classification, or a confirmed fixed version.

Likely exposure

Exposure is limited to Tenda AC6(AC1200) v5.0 devices running firmware v02.03.01.114 or below. Risk is higher where the router management interface is reachable from untrusted networks. The sources do not define whether authentication is required.

Exploitation context

CISA KEV status is false in the supplied bundle, and no cited source confirms active exploitation. The public description indicates exploitation would target a specific CGI endpoint with a crafted GET request, but the available evidence is too sparse to assess real-world exploitation prevalence.

Researcher notes

The record is thin: no CVSS, CWE, CPE, authentication context, or vendor advisory is included. Avoid assuming exploitability conditions beyond the stated affected firmware and endpoint. Validation should focus on asset identification, exposure mapping, and vendor-confirmed remediation status.

Mitigation direction

  • Inventory Tenda AC6(AC1200) v5.0 routers and record firmware versions.
  • Check Tenda guidance for fixed firmware or replacement recommendations.
  • Disable remote management from the internet where possible.
  • Restrict management access to trusted administrative networks only.
  • Replace unsupported devices if no vendor fix is available.

Validation and detection

  • Confirm whether any devices run firmware v02.03.01.114 or below.
  • Check whether the management interface is exposed beyond trusted networks.
  • Review web or device logs for requests to /cgi-bin/DownloadFlash.
  • Verify firmware status against official vendor guidance before closure.
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-2022-36552 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
3Timeline events
1ADP providers
2Source links

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CVECVE Program Container

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.