BugZero | F5 BugID 572224 - Buffer error due to RADIUS::avp command when vendo...

F5 - Defect ID: 572224

Buffer error due to RADIUS::avp command when vendor IDs do not match

F5 - Defect ID: 572224

Buffer error due to RADIUS::avp command when vendor IDs do not match

Last updated on December 31st, 2025

BugZero Risk Score
6.9 Medium

Overall: 6.9

Severity: 7.3

Community: 4.2

Lifecycle: 8.3

What is the BugZero Risk Score?

F5 Integration

Learn more about where this data comes from

F5 Integration

Learn more

Bug Scrub Advisor

Streamline upgrades with automated vendor bug scrubs

Bug Scrub Advisor

Learn more

BugZero Enterprise

Wish you caught this bug sooner? Get proactive today.

BugZero Enterprise

Learn more

Bug Details

Priority: 3-Major
Status: Verified
Impact Category: Service Provider
Views: 1

Description

Symptoms

Errors similar to the following in the ltm log: err tmm3[21915]: 01220001:3: TCL error: /Common/RadiusTest CLIENT_DATA - Buffer error (line 1) (line 1) invoked from within 'RADIUS::avp 26 ip4 index 0 vendor-id 12345 vendor-type 6'.

Impact

You are unable to use vendor-specific RADIUS AVP commands

Conditions

The issue happens when there is a RADIUS::avp command for a vendor specific AVP and there's a RADIUS request that contains a different vendor-id than what was specified in the iRule command.

Workaround

None.

Fix Information

Vendor-specific RADIUS AVP commands no longer generate errors.

Change history

2025-04-28 Added: 11.5.3, 11.5.3 HF1, 11.5.3 HF2, 11.5.4, 11.5.4 HF1, 11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4, 11.6.0 HF5, 11.6.0 HF6, 11.6.0 HF7, 11.6.0 HF8, 11.6.1, 12.0.0, 12.0.0 HF1, 12.0.0 HF2, 12.0.0 HF3, 12.0.0 HF4

Links

Original Vendor Announcement

Relevant Products

Click on a version to see all relevant bugs

Affected versions:11.5.3, 11.5.3 HF1, 11.5.3 HF2, 11.5.4, 11.5.4 HF1, 11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4, 11.6.0 HF5, 11.6.0 HF6, 11.6.0 HF7, 11.6.0 HF8, 11.6.1, 12.0.0, 12.0.0 HF1, 12.0.0 HF2, 12.0.0 HF3, 12.0.0 HF4

Fixed versions: 12.1.0, 11.6.1 HF1, 11.5.4 HF2

Relevant Products

Click on a version to see all relevant bugs

Fixed versions: 12.1.0, 11.6.1 HF1, 11.5.4 HF2

Top F5 Defects

9.4Defect ID: 1691489
Traffic does not pass through rSereis FIPS system
9.4Defect ID: 1967005
TMM crash on R2x00/R4x00 platforms
9.4Defect ID: 970269
Install fails as lind keeps failing due to "Fatal error: block id new probe failed - device file:/dev/cdrom"
9.4Defect ID: 1429717
APM as oAuth AS intermittently returning HTTP/1.1 400 Bad Request
9.4Defect ID: 2141205
Tpm-status returns: "System Integrity: Invalid" on BIG-IP versions released since October 2025

Ready to prevent the next vendor outage?

Get a demo

F5 - Defect ID: 572224

Buffer error due to RADIUS::avp command when vendor IDs do not match

F5 - Defect ID: 572224

Buffer error due to RADIUS::avp command when vendor IDs do not match

Last updated on December 31st, 2025

BugZero Risk Score6.9 Medium

Bug Details

Symptoms

Impact

Conditions

Workaround

Fix Information

Links

Top F5 Defects

Ready to prevent the next vendor outage?

BugZero Risk Score
6.9 Medium