LiveActive security incident?Get immediate response
CVE Record

CVE-2022-25064: TP-LINK TL-WR840N(ES)_V6.20_180709 was discovered to contain a remote code execution (RCE) vulnerability vi...

TP-LINK TL-WR840N(ES)_V6.20_180709 was discovered to contain a remote code execution (RCE) vulnerability via the function oal_wan6_setIpAddr.

UnknownCVSS not scoredNot KEV-listedUpdated
Discuss exposureBack to CVEs
Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2022-25064 describes a remote code execution flaw in TP-LINK TL-WR840N(ES) firmware V6.20_180709. In business terms, a vulnerable router could potentially be made to run attacker-controlled code. The public bundle does not provide CVSS, exploit status, authentication requirements, or vendor remediation details.

Executive priority

Prioritize identification over emergency response. If affected routers are deployed, treat remediation as important because RCE on edge devices can enable network footholds. Urgency rises sharply for internet-exposed or remotely managed devices.

Technical view

The CVE states that TP-LINK TL-WR840N(ES)_V6.20_180709 contains RCE via oal_wan6_setIpAddr. The linked public reference title suggests crafted IPv6 address input is involved, but the bundle lacks validated exploit conditions, affected CPEs, CWE mapping, and patch information.

Likely exposure

Exposure appears limited to environments running TP-LINK TL-WR840N(ES) firmware V6.20_180709. Internet-facing administration or IPv6 WAN configuration interfaces would be higher concern, but the sources do not confirm reachability or authentication requirements.

Exploitation context

The CVE is not marked as CISA KEV in the provided bundle. No cited source confirms active exploitation, public weaponization, or exploitation at scale. The issue should still be treated cautiously because the reported impact is remote code execution on network edge equipment.

Researcher notes

Evidence is sparse. The CVE description names the vulnerable function, and the linked reference implies an IPv6 address input vector, but the bundle does not establish prerequisites, exploit reliability, affected build range, or remediation status.

Mitigation direction

  • Inventory TP-LINK TL-WR840N(ES) devices and confirm firmware versions.
  • Check TP-LINK advisories for fixed firmware or retirement guidance.
  • Restrict router management access to trusted internal networks only.
  • Disable unnecessary remote administration and exposed configuration interfaces.
  • Replace unsupported or unpatchable affected devices.

Validation and detection

  • Verify whether any TL-WR840N(ES) device runs firmware V6.20_180709.
  • Review edge asset inventories for this model and firmware string.
  • Confirm management interfaces are not exposed to the internet.
  • Check vendor documentation for available firmware updates.
  • Monitor logs for unusual router configuration changes or reboots.
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-2022-25064 mapping review

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

Open ATT&CK lookup
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.