Home/Juniper/SRX/SRX210B

SRX210B

Branch services gateway with 2× 10/100/1000 plus 6× 10/100 Ethernet ports, one Mini-PIM slot; up to 750 Mbps firewall throughput. src

Announced in: SRX210B SRX210H SRX210H POE

Juniper Chassis · SRX Series

High confidence Official Juniper notice ↗ Verified
SRX210B is dead. Juniper support ended (-3198d). Last available for order .

Is the SRX210B still supported?

No. Juniper ended support for the SRX210B SRX210H SRX210H POE on 2017-08-31. No further security fixes will be issued. See Juniper's lifecycle bulletin.

When does the SRX210B reach end of support?

Juniper support for the SRX210B SRX210H SRX210H POE ends on 2017-08-31.

What replaces the SRX210B?

Juniper has not published a successor model for the SRX210B SRX210H SRX210H POE.

What known-exploited CVEs apply to the SRX210B past end of support?

7 CVEs in CISA's Known Exploited Vulnerabilities catalog apply to the platform the SRX210B SRX210H SRX210H POE 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.

SRX210B Lifecycle Overview

The Juniper SRX210B (SRX210B) is a chassis product in the Juniper SRX 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 SRX210B should plan a migration .

Lifecycle Milestones

Lifecycle notice published 14y 7mo ago
End of sale 13y 9mo ago
Last date of support 8y 9mo ago

Additional Dates

Last Warranty Conversion Date 12y 9mo ago
Same Day Support Discontinued Date 11y 9mo ago
Next Day Support Discontinued Date 9y 9mo ago
Applicable Platforms
SRX
↑ Top