How severe is CVE-2018-18318?

CVE-2018-18318 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2018-18318 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-18318?

CVE-2018-18318 affects Qiku 360 Mobile Phone N6 Pro Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-18318?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-18318 published?

CVE-2018-18318 was published on 2018-10-15 and last updated on 2026-06-17.

CVE-2018-18318

CVE-2018-18318 is a high-severity vulnerability in Qiku 360 Mobile Phone N6 Pro Firmware with a CVSS 3.x base score of 7.5. 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-476.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 7.8
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Qiku 360 Mobile Phone N6 Pro Firmware
Published: 2018-10-15
Last modified: 2026-06-17

Description

The /dev/block/mmcblk0rpmb driver kernel module on Qiku 360 Phone N6 Pro 1801-A01 devices allows attackers to cause a denial of service (NULL pointer dereference and device crash) via a crafted 0xc0d8b300 ioctl call.

Frequently asked questions

What is CVE-2018-18318?: The /dev/block/mmcblk0rpmb driver kernel module on Qiku 360 Phone N6 Pro 1801-A01 devices allows attackers to cause a denial of service (NULL pointer dereference and device crash) via a crafted 0xc0d8b300 ioctl call.
How severe is CVE-2018-18318?: CVE-2018-18318 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2018-18318 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-18318?: CVE-2018-18318 affects Qiku 360 Mobile Phone N6 Pro Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-18318?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-18318 published?: CVE-2018-18318 was published on 2018-10-15 and last updated on 2026-06-17.

References

https://github.com/datadancer/HIAFuzz/blob/master/360%20Phone%20N6%20Pro%20Kernel%20Vuln.md

Affected products (1)

cpe:2.3:o:qiku:360_mobile_phone_n6_pro_firmware:v096:*:*:*:*:*:*:*

Other CWE-476 (NULL Pointer Dereference) vulnerabilities

CVE-2022-36648 — Critical (CVSS 10.0): The hardware emulation in the of_dpa_cmd_add_l2_flood of rocker device model in QEMU, as used in 7.0.0 and earlier,…
CVE-2020-14500 — Critical (CVSS 10.0): Secomea GateManager all versions prior to 9.2c, An attacker can send a negative value and overwrite arbitrary data.
CVE-2010-2495 — Critical (CVSS 10.0): The pppol2tp_xmit function in drivers/net/pppol2tp.c in the L2TP implementation in the Linux kernel before 2.6.34 does…
CVE-2026-46195 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: smb: client: validate dacloffset before building…
CVE-2026-31657 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: batman-adv: hold claim backbone gateways by…
CVE-2026-31436 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix possible wrong descriptor…

Browse all CWE-476 (NULL Pointer Dereference) vulnerabilities →