IOS-XR 25.3
IOS-XR-25.3
Os Release
· Cisco IOS XR software Series
Is IOS-XR 25.3 still maintained?
Yes. Cisco actively maintains IOS-XR 25.3. See Cisco's lifecycle bulletin.
When do security fixes for IOS-XR 25.3 stop?
Engineering fixes for IOS-XR 25.3 — including security patches — stop on 2029-09-17. After that date, a device on this release cannot be patched against newly disclosed vulnerabilities without upgrading, which is the point that matters for KEV exposure and compliance.
What should I upgrade IOS-XR 25.3 to?
Upgrade to a currently maintained Cisco release. Check the release-train table on the vendor page for the nearest supported version.
IOS-XR 25.3 Release Lifecycle
IOS-XR 25.3 is a Cisco Cisco IOS XR software software release. Releases are maintained on a fixed schedule: Cisco ships fixes and security patches until the release reaches end of engineering, after which a device must be upgraded to a maintained release to stay patchable. The dates below are milestones for the software train, not for any specific appliance — hardware running this release has its own separate lifecycle. Cisco has announced that the IOS-XR 25.3 will reach end of sale on . Vendor support will continue until .
Lifecycle Milestones
| Lifecycle notice published | 1mo ago | |
|---|---|---|
| End of sale | in 5mo | |
| Last order date | in 8mo | |
| End of software maintenance | in 11mo | |
| End of security vulnerability support | in 2y 11mo | |
| Last date of support | in 3y 5mo |