Fortinet hardware sales accelerate, but new vulnerabilities emerge
- Product revenue jumped 52% year over year in Q2 2026, driven by higher prices and AI infrastructure demand.
- Service revenue grew 14% in the second quarter, providing a large base of recurring revenue.
- Total gross margin fell 0.5% as product growth outpaced higher margin services.
- A newly disclosed FortiManager vulnerability adds reputational risk if customer fixes are delayed.
- The business quality scores high, but the stock price leaves less room for mistakes in growth or margins.
A hardware boom with margin risks
Fortinet’s Q2 2026 results made the growth case stronger. Product revenue grew 52% from a year earlier, stepping up from 41% in the first quarter. Management said demand came from higher performance products, AI infrastructure deployments, and higher average selling prices. This shows strong pricing power even during memory chip shortages.
Services still anchor the model. Service revenue grew 14% in Q2 2026. These contracts include security updates and technical support, turning each hardware sale into years of follow-on revenue. Geographic growth was led by the EMEA region, which grew 31% year over year.
The bear case centers on profit margins and new risks. Total gross margin dropped 0.5% year over year to 80.2% because lower margin product sales outpaced services. In addition, the company noted a newly disclosed FortiManager vulnerability that could hurt its reputation if not fixed smoothly.
The next few quarters will test the balance. If product growth stays above 30% and services hold steady, the growth story holds up. If margins fall faster than expected or customer fallout from the FortiManager flaw grows, investors may worry the stock is priced for a perfect path.
Appliances first, services after
Fortinet makes money in two main ways. First, it sells products such as FortiGate firewalls, other network hardware, virtual appliances, and software licenses. Second, it sells service contracts, including FortiGuard security subscriptions and FortiCare technical support.
The model runs mostly through partners. Fortinet sells to distributors, who sell to resellers and managed security service providers. Those partners then sell to companies, governments, and other end customers. This helps Fortinet reach many buyers without building every sales relationship itself.
The goal is simple: place Fortinet gear in a network, then attach paid services that renew over time. The company’s FortiOS operating system, FortiASIC chips, FortiCloud infrastructure, and FortiAI tools all help tie the system together under its Security Fabric platform.
This model can break in a few places. A weaker hardware cycle would reduce new service attach opportunities. If big partners slow orders or customers switch platforms due to security flaws, growth can cool fast.
The Security Fabric stack
FortiGate and Secure Networking
FortiGate firewalls are the core product line. They protect networks and are helped by Fortinet’s own FortiASIC chips, which are built to process security traffic quickly.
FortiGuard Security Services
FortiGuard provides paid security subscriptions, such as threat updates and protection services. These contracts are a key reason service revenue is larger than product revenue.
FortiCare Support
FortiCare is technical support for customers using Fortinet products. It helps turn one-time product sales into repeat service revenue.
Unified SASE
SASE means secure access service edge, a cloud-based way to protect users and apps outside the office. Fortinet combines firewall, SD-WAN, secure web gateway, CASB, data loss prevention, and zero trust access in one offer.
AI-Driven Security Operations
This group includes tools such as FortiAnalyzer, FortiSIEM, FortiSOAR, and FortiEDR. They help security teams find, study, and respond to attacks.
Global revenue split
Geographic mix is for the three months ended June 30, 2026. EMEA was the fastest growing region at 31% year over year.
What could break the thesis
FortiManager vulnerability fallout
High impact · Medium oddsFortinet recently disclosed a vulnerability in its FortiManager product. Security flaws can damage trust with enterprise customers. If patches are delayed or incomplete, it could lead to lost renewals and slower new sales.
Margin giveback from mix shift
Medium impact · Medium oddsTotal gross margin fell 0.5% in Q2 2026 to 80.2%. This happened because product sales grew much faster than higher margin services. If this mix shift continues while the company invests in cloud capacity, profits could face pressure.
Hardware cycle fades
High impact · Medium oddsProduct revenue rose 52% year over year in Q2 2026, helped by AI infrastructure demand and higher prices. That is a very strong number that will make comparisons difficult next year. A slowdown would limit the pool of new devices that attach future services.
Memory chip shortage
Medium impact · Medium oddsFortinet faces a shortage of memory chips used in some products due to the global AI build-out. If the company cannot get enough chips on fair terms, it could face delays or higher costs. Price increases may not fully cover the pressure.
SASE and SecOps competition
High impact · Medium oddsFortinet is pushing into cloud-based security and security operations, where rivals such as Palo Alto Networks, Cisco, CrowdStrike, and Zscaler compete hard. Customers may choose a different platform if they prefer a cloud-native specialist.
In one breath
How does Fortinet make most of its money?
Fortinet makes revenue from products and services. Products include firewalls and software licenses, while services include security subscriptions and technical support.
Why did Fortinet’s product revenue grow so fast recently?
Management pointed to demand for higher performance products, AI infrastructure deployments, technology upgrades, upsells, and higher average selling prices. Product revenue rose 52% year over year in Q2 2026.
What is the main risk for Fortinet stock now?
The main risks are a newly disclosed FortiManager vulnerability and pressure on profit margins. The stock also has less room for error if investors expect perfect growth.
Who competes with Fortinet?
Fortinet competes with large network and security companies such as Cisco and Palo Alto Networks. It also faces cloud-focused security rivals such as CrowdStrike and Zscaler.
