CVE-2018-11884· NVD / CVE Program· CNA qualcomm

Improper input validation leads to buffer overflow while processing network list offload command in WLAN function in Snapdragon Mobile in ve

Improper input validation leads to buffer overflow while processing network list offload command in WLAN function in Snapdragon Mobile in version SD 835, SD 845, SD 850, SDA660

HighCVSS 7.8 · v3.0—No exploit No fix recorded

Memory safety

Published: Oct 29, 2018
Updated: Jun 16, 2026
EPSS: 0.2% · 14th percentile
CWE: CWE-119

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Action score

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Low priority for now.

CVSS: 31 / 40 · 7.8 / 10
CISA KEV: 0 / 30 · Not listed
EPSS: 0 / 30 · 0.2%

Affected systems

Vendor	Product	CPE
qualcomm	sd 835 firmware	cpe:2.3:o:qualcomm:sd_835_firmware
qualcomm	sd 835	cpe:2.3:h:qualcomm:sd_835
qualcomm	sd 845 firmware	cpe:2.3:o:qualcomm:sd_845_firmware
qualcomm	sd 845	cpe:2.3:h:qualcomm:sd_845
qualcomm	sd 850 firmware	cpe:2.3:o:qualcomm:sd_850_firmware
qualcomm	sd 850	cpe:2.3:h:qualcomm:sd_850
qualcomm	sda660 firmware	cpe:2.3:o:qualcomm:sda660_firmware
qualcomm	sda660	cpe:2.3:h:qualcomm:sda660

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

qualcomm sd 835 firmwareall versions
qualcomm sd 845 firmwareall versions
qualcomm sd 850 firmwareall versions
qualcomm sda660 firmwareall versions

Versions reported by the vendor

Affected version ranges reported by the assigning authority (qualcomm). Independent of NVD's CPE analysis and usually ahead of it.

Qualcomm, Inc. Snapdragon Mobile
- SD 835, SD 845, SD 850, SDA660affected

Same product

qualcomm: all records

Other highest-scoring records for the same primary product.

CVE-2016-10460In Android before 2018-04-05 or earlier security patch level on Qualcomm Snapdragon Mobile SD 835, SD 845, and SD 850, vendor specific opcod
39Monitor
CVE-2018-5870While loading a service image, an untrusted pointer dereference can occur in Snapdragon Mobile in versions SD 835, SDA660, SDX24.
31Monitor
CVE-2018-11882Incorrect bound check can lead to potential buffer overwrite in WLAN controller in Snapdragon Mobile in version SD 835, SD 845, SD 850, SDA6
31Monitor
CVE-2018-11880Incorrect bound check can lead to potential buffer overwrite in WLAN function in Snapdragon Mobile in version SD 835, SD 845, SD 850, SDA660
31Monitor
CVE-2018-11877When the buffer length passed is very large in WLAN, bounds check could be bypassed leading to potential buffer overwrite in Snapdragon Mobi
31Monitor
CVE-2018-11876Lack of input validation while copying to buffer in WLAN will lead to a buffer overflow in Snapdragon Mobile in version SD 835, SD 845, SD 8
31Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

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Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

Someone with local access to the system can trigger it.
A low-privileged account is enough.
No user action is required.
No special conditions are required; it is repeatable.

If successful

Confidentiality: high · data can be read
Integrity: high · data or configuration can be modified
Availability: high · the service can be disrupted

Attack vector: Local
Attack complexity: Low
Privileges required: Low
User interaction: None
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

Weakness class (CWE)

CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer

CVSS vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Attack patterns (CAPEC)

ATT&CK techniques

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Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records