Read the docs
TI-2018-09109 Aliases CVE-2018-12693GHSA-w637-qfj6-5r7q

Stack-based buffer overflow in TP-Link TL-WA850RE Wi-Fi Range Extender with hardware…

Priority MEDIUM 45CWE-787Published · 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 3.0 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

Stack-based buffer overflow in TP-Link TL-WA850RE Wi-Fi Range Extender with hardware version 5 allows remote authenticated users to cause a denial of service (outage) via a long type parameter to /data/syslog.filter.json.

Why it matters now

EPSS 0.15574 96th 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:tl-wa850re_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableTP-Link
cpe:2.3:h:tp-link:tl-wa850re:5:*:*:*:*:*:*:*5Running onTP-Link
  • cpe:2.3:o:tp-link:tl-wa850re_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·TP-Link
  • cpe:2.3:h:tp-link:tl-wa850re:5:*:*:*:*:*:*:* Versions 5 Running on ·TP-Link

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-12693
  2. 2026-10-03 Alias added: GHSA-w637-qfj6-5r7q

References

Exploit 1

  • TI-2018-09108 TP-Link TL-WA850RE Wi-Fi Range Extender with hardware version 5 allows remote… CVSS 3.0HIGH 8.8
  • TI-2022-07108 TP-Link TL-WA850RE Wi-Fi Range Extender before v6_200923 was discovered to use highly… CVSS 3.1CRITICAL 9.8
  • TI-2018-09110 TP-Link TL-WA850RE Wi-Fi Range Extender with hardware version 5 allows remote attackers… CVSS 3.0HIGH 7.5
  • TI-2025-13455 Command Injection Vulnerability in TP-Link WA850RE CVSS 4.0HIGH 7.1
  • TI-2025-13456 Configuration Disclosure Vulnerability in TP-Link WA850RE CVSS 4.0MEDIUM 5.7

Sources

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