How severe is CVE-2025-26781?

CVE-2025-26781 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-26781 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-26781?

CVE-2025-26781 primarily affects Samsung Exynos W920 Firmware. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-26781?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-26781 have an EU (EUVD) identifier?

Yes. CVE-2025-26781 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-35067.

When was CVE-2025-26781 published?

CVE-2025-26781 was published on 2025-10-20 and last updated on 2026-06-17.

CVE-2025-26781

CVE-2025-26781 is a high-severity vulnerability in Samsung Exynos W920 Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-35067
Weakness: CWE-20
Affected product: Samsung Exynos W920 Firmware
Published: 2025-10-20
Last modified: 2026-06-17

Description

An issue was discovered in L2 in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 9110, W920, W930, Modem 5123, and Modem 5300. Incorrect handling of RLC AM PDUs leads to a Denial of Service.

Frequently asked questions

What is CVE-2025-26781?: An issue was discovered in L2 in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 9110, W920, W930, Modem 5123, and Modem 5300. Incorrect handling of RLC AM PDUs leads to a Denial of Service.
How severe is CVE-2025-26781?: CVE-2025-26781 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-26781 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-26781?: CVE-2025-26781 primarily affects Samsung Exynos W920 Firmware. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-26781?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-26781 have an EU (EUVD) identifier?: Yes. CVE-2025-26781 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-35067.
When was CVE-2025-26781 published?: CVE-2025-26781 was published on 2025-10-20 and last updated on 2026-06-17.

References

Affected products (13)

cpe:2.3:o:samsung:exynos_w920_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_1080_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_980_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_990_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_850_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_2200_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_1330_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_1380_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_1480_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_9110_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:modem_5400_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:modem_5123_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_w930_firmware:-:*:*:*:*:*:*:*

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CVE-2025-58349 — Critical (CVSS 9.1): An issue was discovered in L2 in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080,…
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