Cyber Resilience

CVE-2023-26075

HighPublic PoC

Published: 10 March 2023

Published
10 March 2023
Modified
27 February 2025
KEV Added
Patch
CVSS Score v3.1 7.6 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H
EPSS Score 0.0126 79.9th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-26075 is a high-severity Classic Buffer Overflow (CWE-120) vulnerability in Samsung Exynos 850 Firmware. Its CVSS base score is 7.6 (High).

Operationally, ranked in the top 20.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

An issue was discovered in Samsung Mobile Chipset and Baseband Modem Chipset for Exynos 850, Exynos 980, Exynos 1080, Exynos 1280, Exynos 2200, Exynos Modem 5123, Exynos Modem 5300, and Exynos Auto T5123. An intra-object overflow in the 5G MM…

more

message codec can occur due to insufficient parameter validation when decoding the Service Area List.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

samsung
exynos 850 firmware
all versions
samsung
exynos 980 firmware
all versions
samsung
exynos 1080 firmware
all versions
samsung
exynos 1280 firmware
all versions
samsung
exynos 2200 firmware
all versions
samsung
exynos modem 5123 firmware
all versions
samsung
exynos modem 5300 firmware
all versions
samsung
exynos auto t5123 firmware
all versions
samsung
exynos w920 firmware
all versions

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-120

Platform-independent managed code eliminates the need for unchecked native buffer copies that are the root cause of classic buffer overflows.

References