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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":June 16, 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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258351 10 危険 Opera Software ASA - Opera における脆弱性 CWE-noinfo
情報不足 		CVE-2010-2421 2010-09-27 16:18 2010-06-21 Show GitHub Exploit DB Packet Storm
258352 4.3 警告 Opera Software ASA - Opera におけるサービス運用妨害 (DoS) の脆弱性 CWE-399
リソース管理の問題 		CVE-2010-2121 2010-09-27 16:18 2010-06-1 Show GitHub Exploit DB Packet Storm
258353 5 警告 Opera Software ASA - Opera におけるサービス運用妨害 (DoS) の脆弱性 CWE-399
リソース管理の問題 		CVE-2010-1993 2010-09-27 16:17 2010-05-20 Show GitHub Exploit DB Packet Storm
258354 5 警告 Opera Software ASA - Opera におけるサービス運用妨害 (DoS) の脆弱性 CWE-399
リソース管理の問題 		CVE-2010-1989 2010-09-27 16:17 2010-05-20 Show GitHub Exploit DB Packet Storm
258355 9.3 危険 Opera Software ASA - Windows および Mac OS X 上で稼働する Opera における任意のコードを実行される脆弱性 CWE-399
リソース管理の問題 		CVE-2010-1728 2010-09-27 16:17 2010-04-30 Show GitHub Exploit DB Packet Storm
258356 10 危険 Opera Software ASA - Opera における整数オーバーフローの脆弱性 CWE-189
数値処理の問題 		CVE-2010-1349 2010-09-27 16:17 2010-04-12 Show GitHub Exploit DB Packet Storm
258357 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-200
情報漏えい 		CVE-2010-1310 2010-09-27 16:16 2010-03-22 Show GitHub Exploit DB Packet Storm
258358 4.3 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-200
情報漏えい 		CVE-2010-0653 2010-09-27 16:16 2010-02-18 Show GitHub Exploit DB Packet Storm
258359 10 危険 Opera Software ASA - Opera における脆弱性 CWE-noinfo
情報不足 		CVE-2009-4072 2010-09-27 16:16 2009-11-23 Show GitHub Exploit DB Packet Storm
258360 5.8 警告 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-16
環境設定 		CVE-2009-4071 2010-09-27 16:16 2009-11-24 Show GitHub Exploit DB Packet Storm
NVD Vulnerability Information

Update Date:June 16, 2026, 4:13 a.m.

No CVSS Level
Attach Vector		 Vendor Name Project Name Title CWE CVE Update Date Publication Date Show Affected Exploit
PoC
Search
199551 9.8 CRITICAL
Network 		dlink dir-3040_firmware A hard-coded password vulnerability exists in the Libcli Test Environment functionality of D-LINK DIR-3040 1.13B03. A specially crafted network request can lead to code execution. An attacker can sen… CWE-798
 Use of Hard-coded Credentials 		CVE-2021-21820 2024-11-21 14:49 2021-07-16 Show GitHub Exploit DB Packet Storm
199552 7.2 HIGH
Network 		dlink dir-3040_firmware A code execution vulnerability exists in the Libcli Test Environment functionality of D-LINK DIR-3040 1.13B03. A specially crafted network request can lead to arbitrary command execution. An attacker… CWE-78
OS Command  		CVE-2021-21819 2024-11-21 14:49 2021-07-16 Show GitHub Exploit DB Packet Storm
199553 7.5 HIGH
Network 		dlink dir-3040_firmware A hard-coded password vulnerability exists in the Zebra IP Routing Manager functionality of D-LINK DIR-3040 1.13B03. A specially crafted network request can lead to a denial of service. An attacker c… CWE-798
 Use of Hard-coded Credentials 		CVE-2021-21818 2024-11-21 14:49 2021-07-16 Show GitHub Exploit DB Packet Storm
199554 7.5 HIGH
Network 		dlink dir-3040_firmware An information disclosure vulnerability exists in the Zebra IP Routing Manager functionality of D-LINK DIR-3040 1.13B03. A specially crafted network request can lead to the disclosure of sensitive in… CWE-200
Information Exposure 		CVE-2021-21817 2024-11-21 14:49 2021-07-16 Show GitHub Exploit DB Packet Storm
199555 4.3 MEDIUM
Network 		dlink dir-3040_firmware An information disclosure vulnerability exists in the Syslog functionality of D-LINK DIR-3040 1.13B03. A specially crafted network request can lead to the disclosure of sensitive information. An atta… CWE-200
Information Exposure 		CVE-2021-21816 2024-11-21 14:49 2021-07-16 Show GitHub Exploit DB Packet Storm
199556 9.8 CRITICAL
Network 		advantech r-seenet A local file inclusion (LFI) vulnerability exists in the options.php script functionality of Advantech R-SeeNet v 2.4.12 (20.10.2020). A specially crafted HTTP request can lead to arbitrary PHP code … CWE-829
 Inclusion of Functionality from Untrusted Control Sphere 		CVE-2021-21804 2024-11-21 14:49 2021-07-16 Show GitHub Exploit DB Packet Storm
199557 6.1 MEDIUM
Network 		advantech r-seenet This vulnerability is present in device_graph_page.php script, which is a part of the Advantech R-SeeNet web applications. A specially crafted URL by an attacker and visited by a victim can lead to a… CWE-79
Cross-site Scripting 		CVE-2021-21803 2024-11-21 14:49 2021-07-16 Show GitHub Exploit DB Packet Storm
199558 6.1 MEDIUM
Network 		advantech r-seenet This vulnerability is present in device_graph_page.php script, which is a part of the Advantech R-SeeNet web applications. A specially crafted URL by an attacker and visited by a victim can lead to a… CWE-79
Cross-site Scripting 		CVE-2021-21802 2024-11-21 14:49 2021-07-16 Show GitHub Exploit DB Packet Storm
199559 6.1 MEDIUM
Network 		advantech r-seenet This vulnerability is present in device_graph_page.php script, which is a part of the Advantech R-SeeNet web applications. A specially crafted URL by an attacker and visited by a victim can lead to a… CWE-79
Cross-site Scripting 		CVE-2021-21801 2024-11-21 14:49 2021-07-16 Show GitHub Exploit DB Packet Storm
199560 5.5 MEDIUM
Local 		huawei harmonyos A component of the HarmonyOS 2.0 has a Null Pointer Dereference Vulnerability. Local attackers may exploit this vulnerability to cause system denial of service. CWE-476
 NULL Pointer Dereference 		CVE-2021-22318 2024-11-21 14:49 2021-07-14 Show GitHub Exploit DB Packet Storm