An issue was discovered in L2 in Samsung Mobile Processor and Modem Exynos 2400 and Modem…
Priority LOW 39CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00391 33rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:samsung:exynos_2400_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Samsung |
| cpe:2.3:h:samsung:exynos_2400:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Samsung |
| cpe:2.3:o:samsung:modem_5400_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Samsung |
| cpe:2.3:h:samsung:modem_5400:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Samsung |
- cpe:2.3:o:samsung:exynos_2400_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Samsung
- cpe:2.3:h:samsung:exynos_2400:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Samsung
- cpe:2.3:o:samsung:modem_5400_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Samsung
- cpe:2.3:h:samsung:modem_5400:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Samsung
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-26780
- 2026-10-03 Alias added: GHSA-mm48-9h4m-548r
References
More Samsung Exynos 2400 Firmware vulnerabilities
- TI-2024-31327 An issue was discovered in Samsung Mobile Processor and Modem Exynos 9820, 9825, 980… CVSS 3.1MEDIUM 6.5
- TI-2025-34152 An issue was discovered in SMS in Samsung Mobile Processor, Wearable Processor, and Modem… CVSS 3.1CRITICAL 10.0
- TI-2025-38990 An issue was discovered in Samsung Mobile Processor, Wearable Processor, and Modem Exynos… CVSS 3.1CRITICAL 9.8
- TI-2025-29773 In RRC in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850… CVSS 3.1CRITICAL 9.1
- TI-2025-20622 An issue was discovered in Samsung Mobile Processor, Wearable Processor, and Modem Exynos… CVSS 3.1CRITICAL 9.1
- TI-2025-16891 An issue was discovered in Samsung Mobile Processor Exynos 1480 and 2400. CVSS 3.1CRITICAL 9.1
Sources
- CVE-2025-26780 · CVE Program
- CVE-2025-26780 · NVD
- FIRST EPSS
- GHSA-mm48-9h4m-548r · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences