CVE-2026-24465 Memory corruption in WAB-S300IW-AC

Critical 9.3 Published Updated

A stack-based buffer overflow in ELECOM wireless access points allows attackers to execute arbitrary code via crafted packets.

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-2026-24465?

CVE-2026-24465 is a critical memory corruption vulnerability in ELECOM CO.,LTD. WAB-S300IW-AC, published on 3 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Stack-based buffer overflow vulnerability exists in ELECOM wireless LAN access point devices. A crafted packet may lead to arbitrary code execution.

Weakness: CWE-121

Which versions are affected by CVE-2026-24465?

It affects 8 products.

Products include Elecom Wab-S300iw-Ac Firmware, Elecom Wab-S300iw-Pd Firmware, Elecom Wab-S300iw2-Pd Firmware, Elecom Wab-S733iw-Ac Firmware, Elecom Wab-S733iw-Pd Firmware, Elecom Wab-S733iw2-Pd Firmware and 2 more.

How do I fix CVE-2026-24465?

No fix has been published for CVE-2026-24465 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-2026-24465 being exploited?

There is no known exploitation of CVE-2026-24465 in the wild and no public exploit code.

Sources

Also known as GHSA-wcrf-gh87-7f76.

Is CVE-2026-24465 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free