CVE-2025-10237

Severity: medium (CVSS 6.7 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-06-10 · updated 2026-10-07
Weakness: CWE-327

Description

During an internal security assessment, a potential vulnerability was discovered in some ThinkPad embedded controller firmware that could allow a privileged local user to perform arbitrary reads or writes to privileged memory regions.

Affected products

Lenovo L13 2-in-1 Gen 6 (Type 21R7, 21R8) Laptops (ThinkPad) BIOS: before 1.10 — fixed in 1.10
Lenovo L13 Gen 4 (Type 21FG, 21FH) Laptop (ThinkPad) BIOS: before 1.24 — fixed in 1.24
Lenovo L13 Gen 5 (Type 21LB, 21LC) Laptops (ThinkPad) BIOS: before 1.21 — fixed in 1.21
Lenovo L13 Gen 6 (Type 21RB, 21RC) Laptops (ThinkPad) BIOS: before 1.15 — fixed in 1.15
Lenovo L13 (type 20R3, 20R4) Laptops (ThinkPad) BIOS: before 1.45 — fixed in 1.45
Lenovo L13 Yoga Gen 3 (Type 21B5, 21B6) Laptop (ThinkPad) BIOS: before 1.31 — fixed in 1.31
Lenovo L14 Gen 2 Type 20X1 20X2 Laptops (ThinkPad) BIOS: before 1.73 — fixed in 1.73
Lenovo L14 Gen 2 (type 20X5, 20X6) Laptop (ThinkPad) BIOS: before 1.36 — fixed in 1.36
Lenovo L14 Gen 3 (type 21C1, 21C2) Laptops (ThinkPad) BIOS: before 1.44 — fixed in 1.44
Lenovo L14 Gen 3 (type 21C5, 21C6) Laptops (ThinkPad) BIOS: before 1.36 — fixed in 1.36
Lenovo L14 Gen 4 (Type 21H1, 21H2) Laptop (ThinkPad) BIOS: before 1.34 — fixed in 1.34
Lenovo L14 Gen 5 (Type 21L1, 21L2) Laptops (ThinkPad) BIOS: before 1.27 — fixed in 1.27
Lenovo L14 Gen 6 (Type 21S6, 21S7) Laptops (ThinkPad) BIOS: before 1.06 — fixed in 1.06
Lenovo L14 Gen 6 (Type 21SE, 21SF) Laptops (ThinkPad) BIOS: before 1.14 — fixed in 1.14
Lenovo L15 Gen 4 (Type 21H7, 21H8) Laptops (ThinkPad) BIOS: before 1.27 — fixed in 1.27
Lenovo L16 Gen 1 (Type 21L7 21L8) Laptops (ThinkPad) BIOS: before 1.40 — fixed in 1.40
Lenovo L16 Gen 2 (Type 21SC, 21SD) Laptops (ThinkPad) BIOS: before 1.13 — fixed in 1.13
Lenovo L390 (type 20NR, 20NS) Laptops (ThinkPad) BIOS: before 1.53 — fixed in 1.53
Lenovo P14s Gen 2 (type 21A0, 21A1) Laptop (ThinkPad) BIOS: before 1.33 — fixed in 1.33
Lenovo P14s Gen 4 (Type 21K5, 21K6) Laptop (ThinkPad) BIOS: before 1.47 — fixed in 1.47
Lenovo P14s Gen 5 (Type 21G2, 21G3) Laptops (ThinkPad) BIOS: before 1.26 — fixed in 1.26
Lenovo P14s Gen 6 (Type 21QL, 21QM) Laptops (ThinkPad) BIOS: before 1.17 — fixed in 1.17
Lenovo P14s Gen 6 (Type 21QT, 21QU) Laptops (ThinkPad) BIOS: before UEFI BIOS V1.22/ECP V1.13 — fixed in UEFI BIOS V1.22/ECP V1.13
Lenovo P15v Gen 3 (Type 21EN 21EM) Laptop (ThinkPad) BIOS: through 1.28
Lenovo P16 Gen 1 (Type 21D6, 21D7) Laptop (ThinkPad) BIOS: through 1.70
Lenovo P16 Gen 2 (Type 21FA, 21FB) Laptop (ThinkPad) BIOS: before BIOS: 1.99/ ECFW: 1.58 — fixed in BIOS: 1.99/ ECFW: 1.58
Lenovo P16s Gen 2 (Type 21HK, 21HL) Laptop (ThinkPad) BIOS: before 1.52 — fixed in 1.52
Lenovo P16v Gen 1 (Type 21FC, 21FD) Laptop (ThinkPad) BIOS: before BIOS: 1.66 / ECFW: 1.10 — fixed in BIOS: 1.66 / ECFW: 1.10
Lenovo P16v Gen 1 (Type 21FE, 21FF) Laptop (ThinkPad) BIOS: before 1.65/1.13 — fixed in 1.65/1.13
Lenovo P16v Gen 2 (Type 21KX, 21KY) Laptops (ThinkPad) BIOS: through 1.20

How to fix

Upgrade to a fixed version: Lenovo L13 2-in-1 Gen 6 (Type 21R7, 21R8) Laptops (ThinkPad) BIOS 1.10; Lenovo L13 Gen 4 (Type 21FG, 21FH) Laptop (ThinkPad) BIOS 1.24; Lenovo L13 Gen 5 (Type 21LB, 21LC) Laptops (ThinkPad) BIOS 1.21; Lenovo L13 Gen 6 (Type 21RB, 21RC) Laptops (ThinkPad) BIOS 1.15; Lenovo L13 (type 20R3, 20R4) Laptops (ThinkPad) BIOS 1.45; Lenovo L13 Yoga Gen 3 (Type 21B5, 21B6) Laptop (ThinkPad) BIOS 1.31; Lenovo L14 Gen 2 Type 20X1 20X2 Laptops (ThinkPad) BIOS 1.73; Lenovo L14 Gen 2 (type 20X5, 20X6) Laptop (ThinkPad) BIOS 1.36; Lenovo L14 Gen 3 (type 21C1, 21C2) Laptops (ThinkPad) BIOS 1.44; Lenovo L14 Gen 3 (type 21C5, 21C6) Laptops (ThinkPad) BIOS 1.36; Lenovo L14 Gen 4 (Type 21H1, 21H2) Laptop (ThinkPad) BIOS 1.34; Lenovo L14 Gen 5 (Type 21L1, 21L2) Laptops (ThinkPad) BIOS 1.27. Check the vendor advisory for mitigations.

References

https://support.lenovo.com/us/en/product_security/LEN-218282

Get alerted when CVE-2025-10237 or the next vulnerability affects your stack