No verified lifecycle record
Cisco Routers · IOS 15.9 M&T
No verified lifecycle record for this exact scope.
Scope: hardware modelAs of 2026-08-01
Lifecycle timeline
No lifecycle milestone is published for this exact scope. Nothing is guessed.
Why this status?
Cisco has not published enough exact lifecycle evidence for VulniPulse to infer a support state. No missing date was guessed. Use the exact train and hardware PID for a definitive Cisco lifecycle result.
Routers releases still inside the support window
- IOS XE 17.15.x — support ends 2028-09-30
- IOS XE 17.12.x — support ends 2027-09-30
- IOS XE 17.9.x — support ends 2026-09-30
- IOS XR 25.1 — support ends 2029-03-31
Reported as still supported by the cited source. Cisco documents the upgrade path for your edition and contract — confirm there before planning change work.
Evidence
- Cisco EoX API Official · checked 2026-07-14
- Cisco End-of-Life policy Official · checked 2026-07-14
- Cisco End-of-Sale and End-of-Life index Official · checked 2026-07-14
- Cisco routers EOL listing Official · checked 2026-07-14
- Cisco software lifecycle statements Official · checked 2026-07-14
Keep going
- All Cisco Routers lifecycle dates· 20 tracked releases
- Cisco Routers security advisories· 0 tracked
- Free CVE email alerts for Cisco
Status derived deterministically from the published milestones. When a vendor does not publish a date, this page says so — it never guesses.