CVE-2018-14854
CVE-2018-14854 is a medium-severity vulnerability in Samsung Galaxy S6 Firmware with a CVSS 3.x base score of 6.3. 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-119.
Key facts
- Severity: Medium (CVSS 3.x base score 6.3)
- CVSS v2: 5.8
- EPSS exploit prediction: 1% (57th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Samsung Galaxy S6 Firmware
- Published:
- Last modified:
Description
Buffer overflow in dhd_bus_flow_ring_delete_response in drivers/net/wireless/bcmdhd4358/dhd_pcie.c in the bcmdhd4358 Wi-Fi driver on the Samsung Galaxy S6 SM-G920F G920FXXU5EQH7 allow an attacker (who has obtained code execution on the Wi-Fi chip) to cause the device driver to perform invalid memory accesses. The Samsung ID is SVE-2018-11785.
Frequently asked questions
- What is CVE-2018-14854?
- Buffer overflow in dhd_bus_flow_ring_delete_response in drivers/net/wireless/bcmdhd4358/dhd_pcie.c in the bcmdhd4358 Wi-Fi driver on the Samsung Galaxy S6 SM-G920F G920FXXU5EQH7 allow an attacker (who has obtained code execution on the Wi-Fi chip) to cause the device driver to perform invalid memory accesses. The Samsung ID is SVE-2018-11785.
- How severe is CVE-2018-14854?
- CVE-2018-14854 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
- Is CVE-2018-14854 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-14854?
- CVE-2018-14854 affects Samsung Galaxy S6 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-14854?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2018-14854 published?
- CVE-2018-14854 was published on 2018-12-17 and last updated on 2026-06-17.
References
- https://github.com/securesystemslab/periscope/blob/master/bugs-found/CVE-2018-14854_CVE-2018-14855_CVE-2018-14856.md
- https://people.cs.kuleuven.be/~stijn.volckaert/papers/2019_NDSS_PeriScope.pdf
Affected products (1)
- cpe:2.3:o:samsung:galaxy_s6_firmware:g920fxxu5eqh7:*:*:*:*:*:*:*
More vulnerabilities in Samsung Galaxy S6 Firmware
- CVE-2016-2566 — Critical (CVSS 9.8): Samsung SecEmailSync on SM-G920F build G920FXXU2COH2 (Galaxy S6) devices has SQL injection, aka SVE-2015-5081.
- CVE-2018-14745 — High (CVSS 8.8): Buffer overflow in prot_get_ring_space in the bcmdhd4358 Wi-Fi driver on the Samsung Galaxy S6 SM-G920F G920FXXU5EQH7…
- CVE-2016-4031 — Medium (CVSS 6.8): Samsung SM-G920F build G920FXXU2COH2 (Galaxy S6), SM-N9005 build N9005XXUGBOK6 (Galaxy Note 3), GT-I9192 build…
- CVE-2016-4030 — Medium (CVSS 6.8): Samsung SM-G920F build G920FXXU2COH2 (Galaxy S6), SM-N9005 build N9005XXUGBOK6 (Galaxy Note 3), GT-I9192 build…
- CVE-2018-14856 — Medium (CVSS 6.3): Buffer overflow in dhd_bus_flow_ring_create_response in drivers/net/wireless/bcmdhd4358/dhd_pcie.c in the bcmdhd4358…
- CVE-2018-14855 — Medium (CVSS 6.3): Buffer overflow in dhd_bus_flow_ring_flush_response in drivers/net/wireless/bcmdhd4358/dhd_pcie.c in the bcmdhd4358…
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