Wire · technology
Cisco says software vulnerability could let hackers crash firewalls
◆ Sectors
Cybersecurity
◆ Geography
United States
◆ Source
◆ Verified
Fusion42 · 12 August 2026 · Fusion42 review
Cisco has disclosed a software vulnerability affecting its firewall products that could allow hackers to crash systems, and threat actors have already started exploiting the flaw, according to the U.S. government.
This Wire brief sits within Fusion42's coverage of Cybersecurity, and 2 sources have reported it.
◆ ◆ The Wire takeaway
Firewall security just got riskier because attackers are actively exploiting Cisco's flaw. You must urgently patch or replace vulnerable security stack elements to protect your network and customers.
◆ Coverage
2 sources · 12 Aug 2026
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◆ Topics
Cybersecurityciscofirewallcybersecurityvulnerabilityhacking