CVE-2026-7287 Memory corruption in NWA1100-N firmware
A buffer overflow in Zyxel NWA1100-N firmware allows attackers to cause denial of service via crafted HTTP requests, affecting unsupported devices.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-7287?
CVE-2026-7287 is a high-severity memory corruption vulnerability in Zyxel NWA1100-N firmware, published on 12 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
** UNSUPPORTED WHEN ASSIGNED ** A buffer overflow vulnerability in the formWep(), formWlAc(), formPasswordSetup(), formUpgradeCert(), and formDelcert() functions of the “webs” binary in Zyxel NWA1100-N customized firmware version 1.00(AACE.1)C0 could allow an attacker to trigger a denial-of-service (DoS) condition by sending a crafted HTTP request to a vulnerable device.
Weakness: CWE-120
Which versions are affected by CVE-2026-7287?
It affects 1 product.
Products include Zyxel Nwa1100-N Firmware.
How do I fix CVE-2026-7287?
No fix has been published for CVE-2026-7287 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-2026-7287 being exploited?
There is no known exploitation of CVE-2026-7287 in the wild and no public exploit code.
Sources
Also known as GHSA-j38v-jpjg-hvr2.