Vulnerability · Published Feb 3, 2026 · Assigned by jpcert
CVE-2026-24465
Critical 9.8
In plain English
A critical-severity stack buffer overflow in WAB-S300IW-AC from ELECOM CO.,LTD.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 55% of all known vulnerabilities).
Severity (CVSS 3.0)9.8Critical
Exploit odds (30 days)0.8%top 44.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Stack-based buffer overflow vulnerability exists in ELECOM wireless LAN access point devices. A crafted packet may lead to arbitrary code execution.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| ELECOM CO.,LTD. | WAB-S733IW2-PD | v5.5.00 and earlier versions |
| ELECOM CO.,LTD. | WAB-S733IW-AC | v5.5.00 and earlier versions |
| ELECOM CO.,LTD. | WAB-S733IW-PD | all versions |
| ELECOM CO.,LTD. | WAB-S300IW2-PD | v5.5.00 and earlier versions |
| ELECOM CO.,LTD. | WAB-S300IW-AC | v5.5.00 and earlier versions |
| ELECOM CO.,LTD. | WAB-S300IW-PD | all versions |
Weakness: CWE-121 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H