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SASE is Putting the Nail in the Coffin for Access Routers as Market Drops 25 Percent in 3Q2025, According to Dell'Oro Group

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CSCO Cisco is mentioned as a competitor to Zscaler in the SASE market, indicating a competitive but not explicitly positive or negative position in the article's primary focus. ZS Zscaler is positioned as a leader in the growing SASE market, which is seeing significant year-over-year growth, suggesting a strong positive outlook for the company.

Cisco is Breathing Down Zscaler's Neck for the Top SASE Position

REDWOOD CITY, Calif., Dec. 11, 2025 /PRNewswire/ -- According to a recently published report from Dell'Oro Group, the trusted source for market information about the telecommunications, security, networks, and data center industries, the global Secure Access Service Edge (SASE) market grew 21 percent year-over-year (Y/Y) in 3Q 2025 to nearly $3 B, even as spending on legacy Access Routers contracted a sharp 25 percent. Against this backdrop, SASE is increasingly positioned as the default architecture for branch, remote, and cloud access as enterprises standardize on a smaller set of cloud-delivered networking and security platforms.

"Enterprise SASE buyers are no longer asking whether to converge networking and security, but how quickly they can move budgets out of legacy Access Routers and into platforms that deliver both," said Mauricio Sanchez, Sr. Director, Enterprise Security and Networking at Dell'Oro Group. "A 21 percent Y/Y, alongside a 25 percent decline in Access Router revenue, shows how decisively the market is voting for SASE as the long-term enterprise edge architecture," added Sanchez.

Additional highlights from the 3Q 2025 SASE and SD-WAN Quarterly Report:

About the Report

The Dell'Oro Group SASE & SD-WAN report includes manufacturers' revenue covering the SASE and Access Router markets. In addition, the report analyzes the SASE market from two perspectives: technology (SD-WAN networking and SSE security) and implementation (unified and disaggregated). The report also provides unit information for the Access Router market. To purchase this report, please contact us at [email protected].

About Dell'Oro Group

Dell'Oro Group is a market research firm that specializes in strategic competitive analysis in the telecommunications, security, enterprise networks, and data center markets. Our firm provides in-depth quantitative data and qualitative analysis to facilitate critical, fact-based business decisions. For more information, contact Dell'Oro Group at +1.650.622.9400 or visit https://www.delloro.com.

SOURCE Dell'Oro Group