Vulnerability-Lookup

JVNDB-2026-000019

Vulnerability from jvndb - Published: 2026-02-03 14:57 - Updated:2026-02-03 14:57

Severity ?

9.8 (Critical) - cvssV3_0 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Summary

Multiple vulnerabilities in ELECOM wireless LAN products

Details

Wireless LAN products provided by ELECOM CO.,LTD. contain multiple vulnerabilities listed below.

Cross-site request forgery (CWE-352) - CVE-2026-20704
OS command injection (CWE-78) - CVE-2026-22550
Use of weak credentials (CWE-1391) - CVE-2026-24449
Stack-based buffer overflow (CWE-121) - CVE-2026-24465

CVE-2026-20704, CVE-2026-22550 Kentaro Ishii of GMO Cybersecurity by Ierae, Inc. reported these vulnerabilities to IPA. JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership. CVE-2026-24449 Soh Satoh reported this vulnerability to IPA. JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership. CVE-2026-24465 MASAHIRO IIDA of LAC Co., Ltd. reported this vulnerability to IPA. JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

References

Type

URL

	JVN	https://jvn.jp/en/jp/JVN94012927/index.html
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-20704
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-22550
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-24449
	CVE	https://www.cve.org/CVERecord?id=CVE-2026-24465
	Cross-Site Request Forgery(CWE-352)	https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html
	OS Command Injection(CWE-78)	https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html
	No Mapping(CWE-Other)	https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html

Impacted products

Vendor

Product

	ELECOM CO.,LTD.	WAB-S300IW-AC
	ELECOM CO.,LTD.	WAB-S300IW-PD
	ELECOM CO.,LTD.	WAB-S300IW2-PD
	ELECOM CO.,LTD.	WAB-S733IW-AC
	ELECOM CO.,LTD.	WAB-S733IW-PD
	ELECOM CO.,LTD.	WAB-S733IW2-PD
	ELECOM CO.,LTD.	WRC-X1500GS-B
	ELECOM CO.,LTD.	WRC-X1500GSA-B

Show details on JVN DB website

JSON

To clipboard

{
  "@rdf:about": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-000019.html",
  "dc:date": "2026-02-03T14:57+09:00",
  "dcterms:issued": "2026-02-03T14:57+09:00",
  "dcterms:modified": "2026-02-03T14:57+09:00",
  "description": "Wireless LAN products provided by ELECOM CO.,LTD. contain multiple vulnerabilities listed below.\u003cul\u003e\u003cli\u003eCross-site request forgery (CWE-352) - CVE-2026-20704\u003c/li\u003e\u003cli\u003eOS command injection (CWE-78) - CVE-2026-22550\u003c/li\u003e\u003cli\u003eUse of weak credentials (CWE-1391) - CVE-2026-24449\u003c/li\u003e\u003cli\u003eStack-based buffer overflow (CWE-121) - CVE-2026-24465\u003c/li\u003e\u003c/ul\u003eCVE-2026-20704, CVE-2026-22550\r\nKentaro Ishii of GMO Cybersecurity by Ierae, Inc. reported these vulnerabilities to IPA.\r\nJPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.\r\n\r\nCVE-2026-24449\r\nSoh Satoh reported this vulnerability to IPA.\r\nJPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.\r\n\r\nCVE-2026-24465\r\nMASAHIRO IIDA of LAC Co., Ltd. reported this vulnerability to IPA.\r\nJPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.",
  "link": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-000019.html",
  "sec:cpe": [
    {
      "#text": "cpe:/o:elecom:wab-s300iw-ac",
      "@product": "WAB-S300IW-AC",
      "@vendor": "ELECOM CO.,LTD.",
      "@version": "2.2"
    },
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      "#text": "cpe:/o:elecom:wab-s300iw-pd",
      "@product": "WAB-S300IW-PD",
      "@vendor": "ELECOM CO.,LTD.",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/o:elecom:wab-s300iw2-pd",
      "@product": "WAB-S300IW2-PD",
      "@vendor": "ELECOM CO.,LTD.",
      "@version": "2.2"
    },
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      "@product": "WAB-S733IW-AC",
      "@vendor": "ELECOM CO.,LTD.",
      "@version": "2.2"
    },
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      "@product": "WAB-S733IW-PD",
      "@vendor": "ELECOM CO.,LTD.",
      "@version": "2.2"
    },
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      "#text": "cpe:/o:elecom:wab-s733iw2-pd",
      "@product": "WAB-S733IW2-PD",
      "@vendor": "ELECOM CO.,LTD.",
      "@version": "2.2"
    },
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      "#text": "cpe:/o:elecom:wrc-x1500GS-B",
      "@product": "WRC-X1500GS-B",
      "@vendor": "ELECOM CO.,LTD.",
      "@version": "2.2"
    },
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      "#text": "cpe:/o:elecom:wrc-x1500GSA-B",
      "@product": "WRC-X1500GSA-B",
      "@vendor": "ELECOM CO.,LTD.",
      "@version": "2.2"
    }
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  "sec:cvss": {
    "@score": "9.8",
    "@severity": "Critical",
    "@type": "Base",
    "@vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
    "@version": "3.0"
  },
  "sec:identifier": "JVNDB-2026-000019",
  "sec:references": [
    {
      "#text": "https://jvn.jp/en/jp/JVN94012927/index.html",
      "@id": "JVN#94012927",
      "@source": "JVN"
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    {
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      "@id": "CVE-2026-20704",
      "@source": "CVE"
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    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-22550",
      "@id": "CVE-2026-22550",
      "@source": "CVE"
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    {
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      "@id": "CVE-2026-24449",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-24465",
      "@id": "CVE-2026-24465",
      "@source": "CVE"
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    {
      "#text": "https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html",
      "@id": "CWE-352",
      "@title": "Cross-Site Request Forgery(CWE-352)"
    },
    {
      "#text": "https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html",
      "@id": "CWE-78",
      "@title": "OS Command Injection(CWE-78)"
    },
    {
      "#text": "https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html",
      "@id": "CWE-Other",
      "@title": "No Mapping(CWE-Other)"
    }
  ],
  "title": "Multiple vulnerabilities in ELECOM wireless LAN products"
}

CVE-2026-22550 (GCVE-0-2026-22550)

Vulnerability from cvelistv5 – Published: 2026-02-03 06:56 – Updated: 2026-02-03 15:55

Summary

OS command injection vulnerability exists in WRC-X1500GS-B and WRC-X1500GSA-B. A crafted request from a logged-in user may lead to an arbitrary OS command execution.

Severity ?

7.2 (High)


                        
                          CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

8.6 (High)


                        
                          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

CWE

CWE-78 - Improper neutralization of special elements used in an OS command ('OS Command Injection')

Assigner

jpcert

References

URL

Tags

	https://www.elecom.co.jp/news/security/20260203-01/
	https://jvn.jp/en/jp/JVN94012927/

Impacted products

Vendor

Product

Version

ELECOM CO.,LTD.

WRC-X1500GS-B

Affected: v1.12 and earlier versions

ELECOM CO.,LTD.

WRC-X1500GSA-B

Affected: v1.12 and earlier versions

Show details on NVD website

JSON

To clipboard

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CVE-2026-24449 (GCVE-0-2026-24449)

Vulnerability from cvelistv5 – Published: 2026-02-03 06:57 – Updated: 2026-02-03 15:54

Summary

For WRC-X1500GS-B and WRC-X1500GSA-B, the initial passwords can be calculated easily from the system information.

Severity ?

4.6 (Medium)


                        
                          CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

5.1 (Medium)


                        
                          CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

CWE

CWE-1391 - Use of weak credentials

Assigner

jpcert

References

URL

Tags

	https://www.elecom.co.jp/news/security/20260203-01/
	https://jvn.jp/en/jp/JVN94012927/

Impacted products

Vendor

Product

Version

ELECOM CO.,LTD.

WRC-X1500GS-B

Affected: all versions

ELECOM CO.,LTD.

WRC-X1500GSA-B

Affected: all versions

Show details on NVD website

JSON

To clipboard

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CVE-2026-20704 (GCVE-0-2026-20704)

Vulnerability from cvelistv5 – Published: 2026-02-03 06:56 – Updated: 2026-02-03 15:56

Summary

Cross-site request forgery vulnerability exists in WRC-X1500GS-B and WRC-X1500GSA-B. If a user accesses a malicious page while logged-in to the affected product, unintended operations may be performed.

Severity ?

4.3 (Medium)


                        
                          CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

5.1 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

CWE

CWE-352 - Cross-site request forgery (CSRF)

Assigner

jpcert

References

URL

Tags

	https://www.elecom.co.jp/news/security/20260203-01/
	https://jvn.jp/en/jp/JVN94012927/

Impacted products

Vendor

Product

Version

ELECOM CO.,LTD.

WRC-X1500GS-B

Affected: v1.12 and earlier versions

ELECOM CO.,LTD.

WRC-X1500GSA-B

Affected: v1.12 and earlier versions

Show details on NVD website

JSON

To clipboard

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CVE-2026-24465 (GCVE-0-2026-24465)

Vulnerability from cvelistv5 – Published: 2026-02-03 06:57 – Updated: 2026-02-03 15:47

Summary

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

Severity ?

9.8 (Critical)


                        
                          CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

9.3 (Critical)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CWE

CWE-121 - Stack-based buffer overflow

Assigner

jpcert

References

URL

Tags

	https://www.elecom.co.jp/news/security/20260203-01/
	https://www.elecom.co.jp/news/security/20260203-02/
	https://jvn.jp/en/jp/JVN94012927/

Impacted products

Vendor

Product

Version

ELECOM CO.,LTD.

WAB-S733IW2-PD

Affected: v5.5.00 and earlier versions

ELECOM CO.,LTD.	WAB-S733IW-AC	Affected: v5.5.00 and earlier versions
ELECOM CO.,LTD.	WAB-S733IW-PD	Affected: all versions
ELECOM CO.,LTD.	WAB-S300IW2-PD	Affected: v5.5.00 and earlier versions
ELECOM CO.,LTD.	WAB-S300IW-AC	Affected: v5.5.00 and earlier versions
ELECOM CO.,LTD.	WAB-S300IW-PD	Affected: all versions

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-24465",
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                  {
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                  },
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                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
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                "role": "CISA Coordinator",
                "timestamp": "2026-02-03T15:47:14.941854Z",
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Tags

Taxonomy of the tags.

All sightings related to this event Export sightings related to this event

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

JVNDB-2026-000019

CVE-2026-22550 (GCVE-0-2026-22550)

CVE-2026-24449 (GCVE-0-2026-24449)

CVE-2026-20704 (GCVE-0-2026-20704)

CVE-2026-24465 (GCVE-0-2026-24465)

Tags

Sightings

Nomenclature