Firewalls & VPN
CVE-2026-20336: Cisco ASA, FTD, and FMC hardening: Resource Lifetime Management VulnerabilitiesNew!!
Cisco published a Critical-rated advisory that includes CVE-2026-20336. Cisco does not separately state a CVE-specific SIR. TechGeeks scope, action, fixed-release guidance, evidence status, and primary Cisco sources.
CVE-2026-20340: Cisco Secure FMC Software Deserialization Arbitrary Root Command Execution VulnerabilityNew!!
Cisco published a Critical-rated advisory that includes CVE-2026-20340. Cisco explicitly lists a High CVE-specific SIR. TechGeeks scope, action, fixed-release guidance, evidence status, and primary Cisco sources.
CVE-2026-20341: Cisco Secure FMC Software sftunnel Deserialization Root Command Execution VulnerabilityNew!!
Cisco published a Critical-rated advisory that includes CVE-2026-20341. Cisco explicitly lists a Critical CVE-specific SIR. TechGeeks scope, action, fixed-release guidance, evidence status, and primary Cisco sources.
CVE-2026-20342: Cisco Secure FMC Software Arbitrary File Download VulnerabilityNew!!
Cisco published a Critical-rated advisory that includes CVE-2026-20342. Cisco explicitly lists a High CVE-specific SIR. TechGeeks scope, action, fixed-release guidance, evidence status, and primary Cisco sources.
CVE-2026-20343: Cisco Secure FMC Software Information Disclosure and Disk DoS VulnerabilityNew!!
Cisco published a Critical-rated advisory that includes CVE-2026-20343. Cisco explicitly lists a High CVE-specific SIR. TechGeeks scope, action, fixed-release guidance, evidence status, and primary Cisco sources.
CVE-2026-20344: Cisco Secure FMC Software SQL Injection VulnerabilityNew!!
Cisco published a Critical-rated advisory that includes CVE-2026-20344. Cisco explicitly lists a High CVE-specific SIR. TechGeeks scope, action, fixed-release guidance, evidence status, and primary Cisco sources.
CVE-2026-76412: Cisco Secure FMC Software Privilege Escalation to root VulnerabilityNew!!
Cisco published a Critical-rated advisory that includes CVE-2026-76412. Cisco explicitly lists a High CVE-specific SIR. TechGeeks scope, action, fixed-release guidance, evidence status, and primary Cisco sources.
CVE-2026-76413: Cisco Secure FMC Single Sign-On Token Forgery Account VulnerabilityNew!!
Cisco published a Critical-rated advisory that includes CVE-2026-76413. Cisco explicitly lists a High CVE-specific SIR. TechGeeks scope, action, fixed-release guidance, evidence status, and primary Cisco sources.
CVE-2026-76420: Cisco Secure FMC Software Peer Impersonation VulnerabilityNew!!
Cisco published a Critical-rated advisory that includes CVE-2026-76420. Cisco explicitly lists a Critical CVE-specific SIR. TechGeeks scope, action, fixed-release guidance, evidence status, and primary Cisco sources.
CVE-2026-20329: Cisco ASA, FTD, and FMC hardening: Exceptional Conditions Handling VulnerabilitiesNew!!
Cisco published a Critical-rated advisory that includes CVE-2026-20329. Cisco does not separately state a CVE-specific SIR. TechGeeks scope, action, fixed-release guidance, evidence status, and primary Cisco sources.