Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Remote Access SSL VPN Denial of Service Vulnerabilities

Multiple vulnerabilities in the Remote Access SSL VPN functionality of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow a remote attacker to cause an affected device to stop responding or to reload unexpectedly,...

EUVD-2026-9387

A post-authentication Stack-based Buffer Overflow vulnerability in SonicOS certificate handling allows a remote attacker to crash a firewall...

CVE-2026-3439

A post-authentication Stack-based Buffer Overflow vulnerability in SonicOS certificate handling allows a remote attacker to crash a firewall...

CVE-2026-3439

A post-authentication Stack-based Buffer Overflow vulnerability in SonicOS certificate handling allows a remote attacker to crash a firewall...

CVE-2026-3439

A post-authentication Stack-based Buffer Overflow vulnerability in SonicOS certificate handling allows a remote attacker to crash a firewall...

CVE-2026-3439

A post-authentication Stack-based Buffer Overflow vulnerability in SonicOS certificate handling allows a remote attacker to crash a firewall...

SUSE CVE-2026-25702

A Improper Access Control vulnerability in the kernel of SUSE SUSE Linux Enterprise Server 12 SP5 breaks nftables, causing firewall rules applied via nftables to not be effective.This issue affects SUSE Linux Enterprise Server: from 9e6d9d4601768c75fdb0bad3fbbe636e748939c2 before...

Cisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 安全漏洞

Cisco Secure Firewall Adaptive Security Appliance and Cisco Secure Firewall Threat Defense are products of Cisco, a US company. Cisco Secure Firewall Adaptive Security Appliance is an enterprise-level firewall software. Cisco Secure Firewall Threat Defense is an integrated firewall platform. Both...

CVE-2026-20007: Improper Access Control

A vulnerability in the Snort 2 and Snort 3 deep packet inspection of Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to bypass configured Snort rules and allow traffic onto the network that should have been dropped. This vulnerability is due to a...

PT-2026-23042

Name of the Vulnerable Software and Affected Versions Cisco Secure Firewall ASA Software and Cisco Secure FTD Software affected versions not specified Description A flaw exists in the OSPF protocol that may allow an authenticated, adjacent attacker to cause an unexpected reload of the device,...

PT-2026-23028

Name of the Vulnerable Software and Affected Versions Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software affected versions not specified Description A flaw exists in the VPN web services component that may allow a remote attacker t...

Cisco Secure Firewall Threat Defense和Cisco IOS XE Software 资源管理错误漏洞

Cisco Secure Firewall Threat Defense and Cisco IOS XE Software are both products of the American company Cisco. Cisco Secure Firewall Threat Defense is an integrated firewall platform. Cisco IOS XE Software is a network operating system. Both Cisco Secure Firewall Threat Defense and Cisco IOS XE...

Cisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 输入验证错误漏洞

Cisco Secure Firewall Adaptive Security Appliance and Cisco Secure Firewall Threat Defense are products of Cisco, a US company. Cisco Secure Firewall Adaptive Security Appliance is an enterprise-level firewall software. Cisco Secure Firewall Threat Defense is an integrated firewall platform. Both...

PT-2026-23037

Name of the Vulnerable Software and Affected Versions Cisco Secure Firewall ASA Software and Cisco Secure FTD Software affected versions not specified Description A flaw exists in the OSPF protocol that may allow a nearby attacker to cause an unexpected reload of a device, leading to a denial of...

Cisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 访问控制错误漏洞

Cisco Secure Firewall Adaptive Security Appliance and Cisco Secure Firewall Threat Defense are products of Cisco, a US company. Cisco Secure Firewall Adaptive Security Appliance is an enterprise-level firewall software. Cisco Secure Firewall Threat Defense is an integrated firewall platform. Both...

CVE-2026-20018: Path Traversal: 'dir/../../filename'

A vulnerability in the sftunnel functionality of Cisco Secure Firewall Management Center FMC Software and Cisco Secure Firewall Threat Defense FTD Software could allow an authenticated, remote attacker with administrative privileges to write arbitrary files as root on the underlying operating...

CVE-2026-20102: Improper Neutralization of Input During Web Page Generation

A vulnerability in the SAML 2.0 single sign-on SSO feature of Cisco Secure Firewall ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to conduct a cross-site scripting XSS attack against the SAML feature and access sensitive,...

Cisco Secure Firewall Management Center 安全漏洞

Cisco Secure Firewall Management Center is a powerful network security management tool developed by Cisco, Inc. There is a security vulnerability present in Cisco Secure Firewall Management Center. This vulnerability stems from insufficient restrictions on repair modules in the locked mode, which...

CVE-2026-20082: Missing Release of Resource after Effective Lifetime

A vulnerability in the handling of the embryonic connection limits in Cisco Secure Firewall Adaptive Security Appliance ASA Software could allow an unauthenticated, remote attacker to cause incoming TCP SYN packets to be dropped incorrectly. This vulnerability is due to improper handling of new,...

From Threat Intelligence to Firewall Rules: Semantic Relations in Hybrid AI Agent and Expert System Architectures

Web security demands rapid response capabilities to evolving cyber threats. Agentic Artificial Intelligence AI promises automation, but the need for trustworthy security responses is of the utmost importance. This work investigates the role of semantic relations in extracting information for...