CVE-2023-26498
CWE-787Published: March 23, 2023· Updated: Jun 17, 2026
Official Description
An issue was discovered in Samsung Baseband Modem Chipset for Exynos Modem 5123, Exynos Modem 5300, Exynos 980, Exynos 1080, Exynos Auto T5126. Memory corruption can occur due to improper checking of the number of properties while parsing the chatroom attribute in the SDP (Session Description Protocol) module.
Risk Analysis
This vulnerability involves memory corruption in various Samsung Exynos modem chipsets due to improper parsing of SDP chatroom attributes. With a CVSS score of 9.8, it is considered critical as it allows for remote, unauthenticated exploitation with full impact on confidentiality, integrity, and availability.
There is no known public exploit for this vulnerability, and it is not currently listed in the CISA KEV catalog.
Users should apply firmware updates provided by Samsung for the affected Exynos modem chipsets.
Technical Analysis
CVE-2023-26498 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (6)
Quick Facts
Related CVEs (CWE-787)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-26498 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts