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T640

Juniper Chassis · T Series

High confidence Official Juniper notice ↗ Verified
T640 is dead. Juniper support ended (-1860d). Last available for order .

This is a specific ordering configuration. The T platform may continue to be available under current SKUs. See related components below.

Is the T640 still supported?

No. Juniper ended support for the T640 on 2021-05-01. No further security fixes will be issued. See Juniper's lifecycle bulletin.

When does the T640 reach end of support?

Juniper support for the T640 ends on 2021-05-01.

What replaces the T640?

Juniper has not published a successor model for the T640.

What known-exploited CVEs apply to the T640 past end of support?

7 CVEs in CISA's Known Exploited Vulnerabilities catalog apply to the platform the T640 runs. These will not be patched on this device because it is past the Juniper security-support date. See the Known Exploited Vulnerabilities table below for the full list.

Known Exploited Vulnerabilities

This device is past Juniper's security-support date. 7 CVEs in CISA's Known Exploited Vulnerabilities catalog apply to the platform it runs. Juniper is not issuing patches for this model. Isolate, compensate, or refresh.

CVE KEV added Vulnerability Flags
CVE-2025-21590 Juniper Junos OS Improper Isolation or Compartmentalization Vulnerability
CVE-2023-36844 Juniper Junos OS EX Series PHP External Variable Modification Vulnerability
CVE-2023-36845 Juniper Junos OS EX Series and SRX Series PHP External Variable Modification Vulnerability
CVE-2023-36846 Juniper Junos OS SRX Series Missing Authentication for Critical Function Vulnerability
CVE-2023-36847 Juniper Junos OS EX Series Missing Authentication for Critical Function Vulnerability
CVE-2023-36851 Juniper Junos OS SRX Series Missing Authentication for Critical Function Vulnerability
CVE-2020-1631 Juniper Junos OS Path Traversal Vulnerability

Source: CISA Known Exploited Vulnerabilities catalog. The Ransomware flag reflects CISA's own knownRansomwareCampaignUse field, set when the CVE has been observed in ransomware campaigns per their threat intel. It's not a property of the vulnerability description itself.

Correlation is at the platform level, not per-OS-version. Not exhaustive: KEV only lists actively-exploited CVEs and many relevant unexploited vulnerabilities are not here. Verify against vendor security advisories (PSIRT, JSA, PAN-SA) and NVD before acting. See compensating controls if refresh isn't immediate.

T640 Lifecycle Overview

The Juniper T640 is a chassis product in the Juniper T series. This product has reached end of life as of , meaning Juniper no longer provides technical support, software updates, or hardware replacement for this product. It was last available for purchase on . Organizations still running the T640 should plan a migration .

Lifecycle Milestones

Lifecycle notice published 10y 7mo ago
End of sale 10y 1mo ago
Last date of support 5y 1mo ago

Additional Dates

Last Warranty Conversion Date 9y 1mo ago
Same Day Support Discontinued Date 8y 1mo ago
Next Day Support Discontinued Date 6y 1mo ago

Related T Components

fpc line card (16)
ProductStatusEnd of SaleLast Support
T640-FPC1-E Dead 2008-07-31 2013-07-31
T640-FPC1-E2 Dead 2011-02-28 2016-02-28
T640-FPC1-ES Dead 2016-05-01 2022-12-31
T640-FPC1-ES-UPG Dead 2016-05-01 2021-05-01
T640-FPC2-E Dead 2008-07-31 2013-07-31
T640-FPC2-E2 Dead 2011-02-28 2016-02-28
T640-FPC2-ES Dead 2016-05-01 2022-12-31
T640-FPC2-ES-UPG Dead 2016-05-01 2021-05-01
T640-FPC3-E Dead 2008-07-31 2013-07-31
T640-FPC3-E2 Dead 2011-02-28 2016-02-28
T640-FPC3-ES End of Sale 2018-03-31
T640-FPC3-ES-4XGE-IQ2E Dead 2016-05-01 2022-12-31
T640-FPC3-ES-UPG Dead 2016-05-01 2021-05-01
T640-FPC4-1P-ES Dead 2016-05-01 2022-12-31
T640-FPC4-1P-ES-UPG Dead 2016-05-01 2021-05-01
T640-FPC4-ES Dead 2011-01-31 2016-01-31
switch fabric board (6)
ProductStatusEnd of SaleLast Support
SIB-I-T640 Dead 2016-05-01 2022-12-31
SIB-I-T640-B Dead 2016-05-01 2022-12-31
SIB-I-T640-B-S Dead 2016-05-01 2022-12-31
SIB-I-T640-S Dead 2016-05-01 2022-12-31
SIB-TX-T640 Dead 2016-05-01 2022-12-31
SIB-TX-T640-S Dead 2016-05-01 2022-12-31
accessory (2)
ProductStatusEnd of SaleLast Support
CRAFT-T640-S Dead 2016-05-01 2022-12-31
FLTR-KIT-T640-S Dead 2019-08-31 2024-08-31
fan (2)
ProductStatusEnd of SaleLast Support
FAN-REAR-TX-T640-BB Dead 2014-01-31 2019-01-31
FAN-REAR-TX-T640-S Dead 2014-01-31 2019-01-31
chassis bundle (2)
ProductStatusEnd of SaleLast Support
PKG-T640-S Dead 2019-08-31 2024-08-31
T640BASE Dead 2016-05-01 2022-12-31
chassis (1)
ProductStatusEnd of SaleLast Support
CHAS-BP-T640-S Dead 2016-05-01 2022-12-31
control board (1)
ProductStatusEnd of SaleLast Support
CIP-L-T640-S Dead 2016-05-01 2022-12-31
slot blank (1)
ProductStatusEnd of SaleLast Support
FPC-BLANK-T640 Dead 2016-05-01 2021-05-01
bundle (1)
ProductStatusEnd of SaleLast Support
TX-T640-U Dead 2016-05-01 2021-05-01
Applicable Platforms
T
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