VDB

CVE-2025-12888

CVE-2025-12888 PUBLISHED CVSS 1 LOW

Vulnerability in X25519 constant-time cryptographic implementations due to timing side channels introduced by compiler optimizations and CPU architecture limitations, specifically with the Xtensa-based ESP32 chips. If targeting Xtensa it is recommended to use the low memory implementations of X25519, which is now turned on as the default for Xtensa.

EPSS 0.02% · 3.1th percentile

Risk Scores

CVSS v4.0
1
CVSS:4.0/AV:P/AC:H/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:L/SA:N
EPSS Score
0.02%
3.1th percentile

Affected Products

VendorProductVersions
wolfsslwolfssl5.8.2
wolfSSLwolfSSL0

Timeline

  • Nov 7, 2025 CVE ID Reserved
  • Nov 21, 2025 CVE Published
  • Nov 22, 2025 EPSS Score
  • Nov 22, 2025 Coalition ESS Score
  • Nov 25, 2025 Coalition ESS Score
  • Nov 26, 2025 Coalition ESS Score
  • Nov 27, 2025 EPSS Score
  • Nov 27, 2025 Coalition ESS Score
  • Dec 2, 2025 EPSS Score
  • Dec 3, 2025 Coalition ESS Score
  • Dec 4, 2025 Coalition ESS Score
  • Dec 5, 2025 Coalition ESS Score
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