BugZero | F5 BugID 493807 - TMM might crash when using PPTP with profile loggi...

F5 - Defect ID: 493807

TMM might crash when using PPTP with profile logging enabled

F5 - Defect ID: 493807

TMM might crash when using PPTP with profile logging enabled

Last updated on July 18th, 2026

BugZero Risk Score
8.4 High

Overall: 8.4

Severity: 9.1

Community: 4.2

Lifecycle: 7.0

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Bug Details

Priority: 2-Critical
Status: Verified
Impact Category: Carrier-Grade NAT

Description

Symptoms

TMM might crash when using PPTP with profile logging enabled.

Impact

Traffic disrupted while tmm restarts.

Conditions

This occurs when the following conditions are met: -- PPTP-ALG with log profile enabled. -- CGNAT configured.

Workaround

Disable logging from the PPTP profile.

Fix Information

Using PPTP with profile logging now works correctly and no longer causes TMM to crash.

Change history

Links

Original Vendor Announcement

Relevant Products

Click on a version to see all relevant bugs

Affected versions:11.5.1, 11.5.1 hf1, 11.5.1 hf2, 11.5.1 hf3, 11.5.1 hf4, 11.5.1 hf5, 11.5.1 hf6, 11.5.1 hf7, 11.5.1 hf8, 11.5.1 hf9, 11.5.1 hf10, 11.5.1 hf11, 11.5.2, 11.5.2 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, 11.6.1 hf1, 11.6.1 hf2, 11.6.2, 11.6.2 hf1, 11.6.3, 11.6.3.1, 11.6.3.2, 11.6.3.3, 11.6.3.4, 11.6.4, 11.6.5, 11.6.5.1, 11.6.5.2, 11.6.5.3

Fixed versions: 12.0.0, 11.5.3

Relevant Products

Click on a version to see all relevant bugs

Fixed versions: 12.0.0, 11.5.3

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F5 - Defect ID: 493807

TMM might crash when using PPTP with profile logging enabled

F5 - Defect ID: 493807

TMM might crash when using PPTP with profile logging enabled

Last updated on July 18th, 2026

BugZero Risk Score8.4 High

Bug Details

Symptoms

Impact

Conditions

Workaround

Fix Information

Links

Top F5 Defects

Ready to prevent the next vendor outage?

F5 - Defect ID: 493807

TMM might crash when using PPTP with profile logging enabled

F5 - Defect ID: 493807

TMM might crash when using PPTP with profile logging enabled

Last updated on July 18th, 2026

BugZero Risk Score8.4 High

Bug Details

Symptoms

Impact

Conditions

Workaround

Fix Information

Links

Top F5 Defects

Ready to prevent the next vendor outage?

BugZero Risk Score
8.4 High

BugZero Risk Score
8.4 High