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Vulnerability record · CVE-2018-12693 · published 23 June 2018

CVE-2018-12693: Tp-link tl-wa850re firmware out-of-bounds write vulnerability

Tp Link · Tl Wa850re Firmware

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.

6.5 CVSS 3.0 Medium EPSS 16% · top 3.2% CWE-787 · Out-of-bounds write
6.5CVSS 3.0 base score, v2 6.8
16%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://medium.com/advisability/the-in-security-of-the-tp-link-technologies-tl-wa850re-wi-fi-range-extender-26db87a7a0cc ExploitThird Party Advisory
https://medium.com/advisability/the-in-security-of-the-tp-link-technologies-tl-wa850re-wi-fi-range-extender-26db87a7a0cc ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2018-12693), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.