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You can search for vulnerabilities managed by JVN (Japan Vulnerability Note) and NVD (National Vulnerability Database).
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To search by CWE, please refer to the CWE Overview and check the CWE number.

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JVN Vulnerability Information

Update Date":May 30, 2026, 6 p.m.

No CVSS Level
Attach Vector		 Vendor Name Project Name Title CWE CVE Update Date Publication Date Impact
Show		 Exploit
PoC
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248811 4.3 警告 Opera Software ASA - Opera におけるサービス運用妨害 (アプリケーションクラッシュ) の脆弱性 CWE-Other
その他 		CVE-2012-3562 2012-06-18 15:35 2012-04-26 Show GitHub Exploit DB Packet Storm
248812 10 危険 Opera Software ASA - Opera における任意のコードを実行される脆弱性 CWE-119
バッファエラー 		CVE-2012-3561 2012-06-18 15:33 2012-06-14 Show GitHub Exploit DB Packet Storm
248813 4.3 警告 Opera Software ASA - Opera におけるなりすまし攻撃を実行される脆弱性 CWE-264
認可・権限・アクセス制御 		CVE-2012-3560 2012-06-18 15:30 2012-06-14 Show GitHub Exploit DB Packet Storm
248814 10 危険 Opera Software ASA - Mac OS X 上で稼働する Opera における脆弱性 CWE-noinfo
情報不足 		CVE-2012-3559 2012-06-18 15:04 2012-06-14 Show GitHub Exploit DB Packet Storm
248815 2.6 注意 Opera Software ASA - Opera におけるなりすまし攻撃を受ける脆弱性 CWE-264
認可・権限・アクセス制御 		CVE-2012-3558 2012-06-18 14:43 2012-06-14 Show GitHub Exploit DB Packet Storm
248816 5 警告 Opera Software ASA - Opera における重要な情報を取得される脆弱性 CWE-264
認可・権限・アクセス制御 		CVE-2012-3557 2012-06-18 14:25 2012-06-14 Show GitHub Exploit DB Packet Storm
248817 9.3 危険 Opera Software ASA - Opera におけるクロスサイトスクリプティングの脆弱性 CWE-20
不適切な入力確認 		CVE-2012-3556 2012-06-18 14:22 2012-06-14 Show GitHub Exploit DB Packet Storm
248818 7.6 危険 Opera Software ASA - Opera におけるクロスサイトスクリプティング攻撃を実行される脆弱性 CWE-noinfo
情報不足 		CVE-2012-3555 2012-06-18 14:20 2012-06-14 Show GitHub Exploit DB Packet Storm
248819 5.6 警告 ioquake3 - ioquake3 における任意のファイルを上書きされる脆弱性 CWE-59
リンク解釈の問題 		CVE-2012-3345 2012-06-18 14:13 2012-06-14 Show GitHub Exploit DB Packet Storm
248820 6 警告 クアンタム
デル		 - Quantum Scalar i500 および Dell ML6000 におけるクロスサイトリクエストフォージェリの脆弱性 CWE-352
同一生成元ポリシー違反 		CVE-2012-1843 2012-06-15 18:53 2012-03-22 Show GitHub Exploit DB Packet Storm
NVD Vulnerability Information

Update Date:May 30, 2026, 4:16 a.m.

No CVSS Level
Attach Vector		 Vendor Name Project Name Title CWE CVE Update Date Publication Date Show Affected Exploit
PoC
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197461 6.1 MEDIUM
Network 		elecom wrc-1467ghbk-a_firmware ELECOM WRC-1467GHBK-A allows arbitrary scripts to be executed on the user's web browser by displaying a specially crafted SSID on the web setup page. CWE-74
Injection 		CVE-2021-20644 2024-11-21 14:46 2021-02-12 Show GitHub Exploit DB Packet Storm
197462 7.5 HIGH
Network 		elecom ld-ps\/u1_firmware Improper access control vulnerability in ELECOM LD-PS/U1 allows remote attackers to change the administrative password of the affected device by processing a specially crafted request. NVD-CWE-Other
CVE-2021-20643 2024-11-21 14:46 2021-02-12 Show GitHub Exploit DB Packet Storm
197463 6.5 MEDIUM
Network 		logitech lan-w300n\/rs_firmware Improper check or handling of exceptional conditions in LOGITEC LAN-W300N/RS allows a remote attacker to cause a denial-of-service (DoS) condition by sending a specially crafted URL. NVD-CWE-Other
CVE-2021-20642 2024-11-21 14:46 2021-02-12 Show GitHub Exploit DB Packet Storm
197464 6.5 MEDIUM
Network 		logitech lan-w300n\/rs_firmware Cross-site request forgery (CSRF) vulnerability in LOGITEC LAN-W300N/RS allows remote attackers to hijack the authentication of administrators via a specially crafted URL. As a result, unintended ope… CWE-352
 Origin Validation Error 		CVE-2021-20641 2024-11-21 14:46 2021-02-12 Show GitHub Exploit DB Packet Storm
197465 6.8 MEDIUM
Adjacent 		logitech lan-w300n\/pgrb_firmware Buffer overflow vulnerability in LOGITEC LAN-W300N/PGRB allows an attacker with administrative privilege to execute an arbitrary OS command via unspecified vectors. CWE-120
Classic Buffer Overflow 		CVE-2021-20640 2024-11-21 14:46 2021-02-12 Show GitHub Exploit DB Packet Storm
197466 6.8 MEDIUM
Adjacent 		logitech lan-w300n\/pgrb_firmware LOGITEC LAN-W300N/PGRB allows an attacker with administrative privilege to execute arbitrary OS commands via unspecified vectors. CWE-78
OS Command  		CVE-2021-20639 2024-11-21 14:46 2021-02-12 Show GitHub Exploit DB Packet Storm
197467 6.8 MEDIUM
Adjacent 		logitech lan-w300n\/pgrb_firmware LOGITEC LAN-W300N/PGRB allows an attacker with administrative privilege to execute arbitrary OS commands via unspecified vectors. CWE-78
OS Command  		CVE-2021-20638 2024-11-21 14:46 2021-02-12 Show GitHub Exploit DB Packet Storm
197468 6.5 MEDIUM
Network 		logitech lan-w300n\/pr5b_firmware Improper check or handling of exceptional conditions in LOGITEC LAN-W300N/PR5B allows a remote attacker to cause a denial-of-service (DoS) condition by sending a specially crafted URL. NVD-CWE-Other
CVE-2021-20637 2024-11-21 14:46 2021-02-12 Show GitHub Exploit DB Packet Storm
197469 6.5 MEDIUM
Network 		logitech lan-w300n\/pr5b_firmware Cross-site request forgery (CSRF) vulnerability in LOGITEC LAN-W300N/PR5B allows remote attackers to hijack the authentication of administrators via a specially crafted URL. As a result, unintended o… CWE-352
 Origin Validation Error 		CVE-2021-20636 2024-11-21 14:46 2021-02-12 Show GitHub Exploit DB Packet Storm
197470 6.5 MEDIUM
Adjacent 		logitech lan-wh450n\/gr_firmware Improper restriction of excessive authentication attempts in LOGITEC LAN-WH450N/GR allows an attacker in the wireless range of the device to recover PIN and access the network. CWE-307
mproper Restriction of Excessive Authentication Attempts 		CVE-2021-20635 2024-11-21 14:46 2021-02-12 Show GitHub Exploit DB Packet Storm