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
| Vendor | Product | Versions |
|---|---|---|
| wolfssl | wolfssl | 5.8.2 |
| wolfSSL | wolfSSL | 0 |
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