CVE-2018-12693 Memory corruption in n/a

What is CVE-2018-12693?

CVE-2018-12693 is a medium-severity memory corruption vulnerability in n/a, published on 23 Jun 2018. Any signed-in user can exploit it over the network, with no action from the victim.

Official 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.

Weakness: CWE-787

Which versions are affected by CVE-2018-12693?

It affects 1 product.

Products include Tp-Link Tl-Wa850re Firmware.

How do I fix CVE-2018-12693?

No fix has been published for CVE-2018-12693 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2018-12693 being exploited?

There is no known exploitation of CVE-2018-12693 in the wild and no public exploit code.

Other vulnerabilities in n/a

• CVE-2022-22922 Weak cryptography in n/a Critical 9.8
• CVE-2018-12692 Command injection in n/a High 8.8
• CVE-2018-12694 Denial of service in n/a High 7.5
• CVE-2025-14737 Command Injection Vulnerability in TP-Link WA850RE High 7.1
• CVE-2025-14738 Configuration Disclosure Vulnerability in TP-Link WA850RE Medium 5.7

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-w637-qfj6-5r7q.