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TI-2021-20303 Aliases CVE-2021-44864GHSA-vh8f-325p-cw9v

TP-Link WR886N 3.0 1.0.1 Build 150127 Rel.34123n is vulnerable to Buffer Overflow.

Priority MEDIUM 41CWE-120Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.

Summary

TP-Link WR886N 3.0 1.0.1 Build 150127 Rel.34123n is vulnerable to Buffer Overflow. Authenticated attackers can crash router httpd services via /userRpm/PingIframeRpm.htm request which contains redundant & in parameter.

Why it matters now

EPSS 0.10187 95th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:tp-link:wn886n_firmware:1.0.1:build_150127_rel.34123n:*:*:*:*:*:*1.0.1 build_150127_rel.34123nVulnerableTP-Link
cpe:2.3:h:tp-link:wn886n:3.0:*:*:*:*:*:*:*3.0Running onTP-Link
  • cpe:2.3:o:tp-link:wn886n_firmware:1.0.1:build_150127_rel.34123n:*:*:*:*:*:* Versions 1.0.1 build_150127_rel.34123n Vulnerable ·TP-Link
  • cpe:2.3:h:tp-link:wn886n:3.0:*:*:*:*:*:*:* Versions 3.0 Running on ·TP-Link

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-44864
  2. 2026-10-03 Alias added: GHSA-vh8f-325p-cw9v

References

Exploit 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences