How severe is CVE-2025-26780?

CVE-2025-26780 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-2025-26780 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-26780?

CVE-2025-26780 primarily affects Samsung Exynos 2400 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-26780?

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-2025-26780 have an EU (EUVD) identifier?

Yes. CVE-2025-26780 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-20275.

When was CVE-2025-26780 published?

CVE-2025-26780 was published on 2025-07-07 and last updated on 2026-06-17.

CVE-2025-26780

CVE-2025-26780 is a high-severity vulnerability in Samsung Exynos 2400 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: 0% (26th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-20275
Weakness: CWE-20
Affected product: Samsung Exynos 2400 Firmware
Published: 2025-07-07
Last modified: 2026-06-17

Description

An issue was discovered in L2 in Samsung Mobile Processor and Modem Exynos 2400 and Modem 5400. The lack of a length check leads to a Denial of Service via a malformed PDCP packet.

Frequently asked questions

What is CVE-2025-26780?: An issue was discovered in L2 in Samsung Mobile Processor and Modem Exynos 2400 and Modem 5400. The lack of a length check leads to a Denial of Service via a malformed PDCP packet.
How severe is CVE-2025-26780?: CVE-2025-26780 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-2025-26780 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-26780?: CVE-2025-26780 primarily affects Samsung Exynos 2400 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-26780?: 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-2025-26780 have an EU (EUVD) identifier?: Yes. CVE-2025-26780 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-20275.
When was CVE-2025-26780 published?: CVE-2025-26780 was published on 2025-07-07 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:samsung:exynos_2400_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:modem_5400_firmware:-:*:*:*:*:*:*:*

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