An issue was discovered in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 9110, W920, W930, W1000, Modem 5123, Modem 5300, Modem 5400. A Heap-based Out-of-Bounds Write exists in the GPRS protocol implementation because of a mismatch between the actual length of the payload and the length declared within the payload.
Conclusion & alert: CVE-2025-22377 is rated Low Risk (36.5/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.11%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-03-23 | 0.02% | 0.11% | +0.10% |
| 2 | 2025-11-21 | 0.07% | 0.02% | -0.06% |
| 3 | 2025-11-18 | — | 0.07% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.5 | 3.1 | MEDIUM |
|
3.9 | 2.5 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| samsung | exynos_1080_firmware | — | cpe:2.3:o:samsung:exynos_1080_firmware:-:*:*:*:*:*:*:* |
| samsung | exynos_1280_firmware | — | cpe:2.3:o:samsung:exynos_1280_firmware:-:*:*:*:*:*:*:* |
| samsung | exynos_1330_firmware | — | cpe:2.3:o:samsung:exynos_1330_firmware:-:*:*:*:*:*:*:* |
| samsung | exynos_1380_firmware | — | cpe:2.3:o:samsung:exynos_1380_firmware:-:*:*:*:*:*:*:* |
| samsung | exynos_1480_firmware | — | cpe:2.3:o:samsung:exynos_1480_firmware:-:*:*:*:*:*:*:* |
| samsung | exynos_2100_firmware | — | cpe:2.3:o:samsung:exynos_2100_firmware:-:*:*:*:*:*:*:* |
| samsung | exynos_2200_firmware | — | cpe:2.3:o:samsung:exynos_2200_firmware:-:*:*:*:*:*:*:* |
| samsung | exynos_2400_firmware | — | cpe:2.3:o:samsung:exynos_2400_firmware:-:*:*:*:*:*:*:* |
| samsung | exynos_850_firmware | — | cpe:2.3:o:samsung:exynos_850_firmware:-:*:*:*:*:*:*:* |
| samsung | exynos_9110_firmware | — | cpe:2.3:o:samsung:exynos_9110_firmware:-:*:*:*:*:*:*:* |
| samsung | exynos_980_firmware | — | cpe:2.3:o:samsung:exynos_980_firmware:-:*:*:*:*:*:*:* |
| samsung | exynos_990_firmware | — | cpe:2.3:o:samsung:exynos_990_firmware:-:*:*:*:*:*:*:* |
| samsung | exynos_modem_5123_firmware | — | cpe:2.3:o:samsung:exynos_modem_5123_firmware:-:*:*:*:*:*:*:* |
| samsung | exynos_modem_5300_firmware | — | cpe:2.3:o:samsung:exynos_modem_5300_firmware:-:*:*:*:*:*:*:* |
| samsung | exynos_modem_5400_firmware | — | cpe:2.3:o:samsung:exynos_modem_5400_firmware:-:*:*:*:*:*:*:* |
| samsung | exynos_w1000_firmware | — | cpe:2.3:o:samsung:exynos_w1000_firmware:-:*:*:*:*:*:*:* |
| samsung | exynos_w920_firmware | — | cpe:2.3:o:samsung:exynos_w920_firmware:-:*:*:*:*:*:*:* |
| samsung | exynos_w930_firmware | — | cpe:2.3:o:samsung:exynos_w930_firmware:-:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2025-22377/ | Vendor Advisory |