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彭鑫老师最新观点文章，将发表于《计算机教育》杂志2025年第7期

As AI adoption accelerates, businesses face mounting cyber threats—and urgent choices about secure implementation

为民航运输业安全、稳定发展保驾护航。

A vulnerability, which was classified as critical, was found in Linux Kernel. Affected is the function l2cap_conn_del of the file net/bluetooth/l2cap_core.c of the component Bluetooth. The manipulation leads to use after free. This vulnerability is traded as CVE-2022-3640. Access to the local network is required for this attack. There is no exploit available. It is recommended to apply a patch to fix this issue.

A vulnerability, which was classified as problematic, has been found in Linux Kernel up to 5.15.182. This issue affects the function ahash_bucket_start of the component Netfilter. The manipulation leads to race condition. The identification of this vulnerability is CVE-2025-37997. Access to the local network is required for this attack. There is no exploit available. It is recommended to upgrade the affected component.

A vulnerability classified as critical was found in Cisco Meraki MX and Meraki Z. Affected by this vulnerability is an unknown functionality of the component AnyConnect VPN Server. The manipulation leads to use of uninitialized variable. This vulnerability is known as CVE-2025-20271. The attack can be launched remotely. There is no exploit available. It is recommended to upgrade the affected component.

A vulnerability, which was classified as critical, was found in Cisco Cyber Vision, Firepower Threat Defense Software and UTD SNORT IPS Engine Software. Affected is an unknown function of the component Modbus Preprocessor. The manipulation leads to integer overflow. This vulnerability is traded as CVE-2022-20685. It is possible to launch the attack remotely. There is no exploit available. It is recommended to upgrade the affected component.

A vulnerability was found in Cisco Meraki MX and Meraki Z3 and classified as problematic. Affected by this issue is some unknown functionality of the component AnyConnect VPN Server. The manipulation leads to denial of service. This vulnerability is handled as CVE-2022-20933. The attack may be launched remotely. There is no exploit available. It is recommended to upgrade the affected component.

A vulnerability has been found in Cisco Meraki MX up to 19.1 and classified as critical. Affected by this vulnerability is an unknown functionality of the component AnyConnect VPN Server. The manipulation leads to use of uninitialized variable. This vulnerability is known as CVE-2025-20212. The attack can be launched remotely. There is no exploit available. It is recommended to upgrade the affected component.

A vulnerability was found in Cisco Meraki MX and Meraki Z. It has been declared as problematic. This vulnerability affects unknown code of the component AnyConnect VPN Server. The manipulation leads to race condition. This vulnerability was named CVE-2024-20509. The attack can be initiated remotely. There is no exploit available. It is recommended to upgrade the affected component.

A vulnerability was found in Cisco Meraki MX and Meraki Z and classified as critical. Affected by this issue is some unknown functionality of the component AnyConnect VPN Server. The manipulation leads to out-of-bounds write. This vulnerability is handled as CVE-2024-20499. The attack may be launched remotely. There is no exploit available. It is recommended to upgrade the affected component.

A vulnerability was found in Cisco Meraki MX and Meraki Z. It has been classified as critical. This affects an unknown part of the component AnyConnect VPN Server. The manipulation leads to out-of-bounds write. This vulnerability is uniquely identified as CVE-2024-20501. It is possible to initiate the attack remotely. There is no exploit available. It is recommended to upgrade the affected component.

A vulnerability, which was classified as problematic, has been found in Cisco Meraki MX and Meraki Z. This issue affects some unknown processing of the component AnyConnect VPN Server. The manipulation leads to resource consumption. The identification of this vulnerability is CVE-2024-20502. The attack may be initiated remotely. There is no exploit available. It is recommended to upgrade the affected component.

This daily article is intended to make it easier for those who want to stay updated with my regular Dark Web Informer and X/Twitter posts.

Passengers' personal information was likely accessed via a third-party platform used at a call center, but didn't include passport or credit card info.

Threat Attack Daily - 2nd of July 2025

Ransomware Attack Update for the 2nd of July 2025

Attackers can abuse malicious extensions to access critical data, including credentials, but organizations can reduce the risks by raising awareness and enforcing strict policy controls.