JVN#56870912    
Multiple vulnerabilities in ELECOM wireless LAN routers and access points (July 2026)

Multiple wireless LAN routers and access points provided by ELECOM CO.,LTD. contain multiple vulnerabilities.

CVE-2026-44387, CVE-2026-61376

• WAB-M1775-PS v2.1.9 and earlier
• WAB-S1775 v2.1.9 and earlier
• WAB-M2133 v2.0.5 and earlier
• WAB-I1750-PS v2.0.5 and earlier
• WAB-S1167-PS v2.0.5 and earlier

CVE-2026-59764

• WRC-X3000GS3-B v1.06 and earlier
• WRC-X3000GS3A-B v1.06 and earlier

Multiple wireless LAN routers and access points provided by ELECOM CO.,LTD. contain multiple vulnerabilities listed below.

• Reflected cross-site scripting in WebUI (CWE-79)
  • CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N Base Score 5.1
  • CVSS:3.0/AV:A/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Base Score 5.2
  • CVE-2026-44387
• OS command injection in WebUI (CWE-78)
  • CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N Base Score 8.6
  • CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H Base Score 7.2
  • CVE-2026-59764
• OS command injection in Restore Settings (CWE-78)
  • CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N Base Score 8.6
  • CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H Base Score 7.2
  • CVE-2026-61376

• An arbitrary script may be executed on a logged-in user's web browser (CVE-2026-44387).
• An arbitrary OS command may be executed by an attacker who can log in to the product (CVE-2026-59764, CVE-2026-61376).

Update the firmware
Update the firmware to the latest version according to the information provided by the developer.

Vendor	Status	Last Update	Vendor Notes
ELECOM CO.,LTD.	Vulnerable	2026/07/28	ELECOM CO.,LTD. website

CVE-2026-44387
Kentaro Ishii of GMO Cybersecurity by Ierae, Inc. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

CVE-2026-59764
Hirofumi Tanabe of Mitsui Bussan Secure Directions, Inc. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

CVE-2026-61376
Rintaro Kawasugi reported this vulnerability to ELECOM CO.,LTD. and coordinated. After the coordination was completed, ELECOM CO.,LTD. reported the case to JPCERT/CC to notify users of the solution through JVN.