Is CVE-2016-6691 in the CISA KEV catalog?

No. CVE-2016-6691 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2016-6691?

CVE-2016-6691 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2016-6691?

CVE-2016-6691 has an EPSS score of 1.30% (67th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2016-6691?

No published fix for CVE-2016-6691 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2016-6691

CRITICAL

9.8

CVSS v3

NVD

Description

service/jni/com_android_server_wifi_Gbk2Utf.cpp in the Qualcomm Wi-Fi gbk2utf module in Android before 2016-10-05 allows remote attackers to cause a denial of service (framework crash) or possibly have unspecified other impact via an access point that has a malformed SSID with GBK encoding, aka Qualcomm internal bug CR 978452.

CWE-172

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

1.30%probability of exploitation in 30 days

67thpercentile

Moderate risk: more likely to be exploited than 67% of all known CVEs.

References

Patch1

source.codeaurora.org

Vendor Advisory1

source.android.com

Third-Party Advisory1

securityfocus.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.