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CVE Record

CVE-2021-43164: A Remote Code Execution (RCE) vulnerability exists in Ruijie Networks Ruijie RG-EW Series Routers up to Rey...

A Remote Code Execution (RCE) vulnerability exists in Ruijie Networks Ruijie RG-EW Series Routers up to ReyeeOS 1.55.1915 / EW_3.0(1)B11P55 via the updateVersion function in /cgi-bin/luci/api/wireless.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysis

Security readout for executives and security teams

CVE-2021-43164 is reported as remote code execution in Ruijie Networks RG-EW Series routers up to ReyeeOS 1.55.1915 / EW_3.0(1)B11P55. Because routers sit at network boundaries, successful exploitation could have serious operational impact. The provided sources do not show CISA KEV listing or confirmed active exploitation. Exposure is likely limited to organizations using Ruijie RG-EW Series or Reyee mesh routers on affected firmware. Risk is higher if router management/API interfaces are reachable from untrusted networks or the internet. The source bundle does not identify other affected Ruijie products. Treat as a high-priority edge-device review if Ruijie RG-EW routers are present. Prioritize inventory, exposure reduction, and vendor firmware checks. Business urgency is lower if the organization does not use these routers or management interfaces are isolated. Mitigation focus: Inventory Ruijie RG-EW/Reyee routers and firmware versions.; Check Ruijie guidance for firmware newer than the affected versions.; Restrict administrative and API access to trusted management networks..

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

Potential ATT&CK relevance

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CVE-2021-43164 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

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