9.8

CVE-2023-26076: samsung exynos_1280_firmware Classic Buffer Overflow

CVSS: 9.8v3.1CriticalModified
Published 13-03-2023Last modified 03-03-2025
Open JSON

Vulnerability summary

CVE-2023-26076 is a critical (CVSS 9.8) Classic Buffer Overflow vulnerability in samsung exynos_1280_firmware. EPSS estimates a 0.93% chance of exploitation in the next 30 days, higher than 60% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
0.93%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 13-03-2023
    PublishedVulnerability first disclosed.
  2. 03-03-2025
    Last modifiedVulnerability information updated.

Description

An issue was discovered in Samsung Mobile Chipset and Baseband Modem Chipset for Exynos 1280, Exynos 2200, Exynos Modem 5123, Exynos Modem 5300, and Exynos Auto T5123. An intra-object overflow in the 5G SM message codec can occur due to insufficient parameter validation when decoding reserved options.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.93%

Chance of exploitation in the next 30 days

Percentile

60%

Versus all other CVEs

30-day change

0.00 pp

From 0.93% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.93%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Samsung5 products

1 vendor · 5 products

References

5 links