Mmastodon TechnologyCybersecurity first seen 1 d ago, last 1 d ago, peak #5
CISA warns of active attacks on Cisco firewall flaw
Original: CISA warns of attacks exploiting Cisco firewall flaw (CVE-2026-76418) CISA added CVE-2026-76418, affecting Cisco Secure
CISA has added CVE-2026-76418, a vulnerability affecting Cisco Secure Firewall ASA Software and Cisco Secure FTD Software, to its Known Exploited Vulnerabilities catalog on October 29, 2026, citing active exploitation in the wild. The advisory urges defenders to verify their systems and apply patches promptly. Security teams are sharing the warning widely, emphasizing that the flaw is being used in real attacks rather than remaining theoretical.
Why now: The flaw is under active attack and now carries a federal remediation deadline, making it urgent for network defenders.
Evidence
- CISA warns of attacks exploiting Cisco firewall flaw (CVE-2026-76418) CISA added CVE-2026-76418, affecting Cisco Secure Firewall ASA Software and Cisco Secure FTD Software, to its Known Exploited Vulnerabilities catalog on October 29, 2026. Defenders should verify their… · Secquill@infosec.exchange · 2
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