SB2026010712 - Usage of weak PRNG in coTURN
Published: January 7, 2026
Security Bulletin ID
SB2026010712
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) (CVE-ID: CVE-2025-69217)
The vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to usage of bad random number generator for nonces and port randomization after refactoring. A remote attacker can send 50 unauthenticated allocations requests and completely reconstruct the current state of the random number generator, leading to spoofing. authentication bypass and denial of service.
Remediation
Install update from vendor's website.