Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2016-1503

33
FAUCET Score

CVE-2016-1503 describes a critical heap-based buffer overflow vulnerability in dhcpcd versions prior to 6.10.0, affecting Android 4.x, 5.0.x, 5.1.x, and 6.x, among other products. This flaw allows remote attackers to execute arbitrary code or cause a denial of service through a crafted DHCP response. With a CVSS score of 9.8 (CRITICAL), it presents a severe risk due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. While no public exploit code (Metasploit, Nuclei, ExploitDB) is readily available and it's not listed in CISA's KEV catalog, the vulnerability has garnered some community discussion and media coverage, indicating awareness within the cybersecurity landscape.

Impacted Technologies

VendorProductVersion(s)CPE
<= 6.9.4CPE matchmatch criteria
cpe:2.3:a:dhcpcd_project:dhcpcd:*:*:*:*:*:*:*:*
4.0CPE matchmatch criteria
cpe:2.3:o:google:android:4.0:*:*:*:*:*:*:*
4.0.1CPE matchmatch criteria
cpe:2.3:o:google:android:4.0.1:*:*:*:*:*:*:*
4.0.2CPE matchmatch criteria
cpe:2.3:o:google:android:4.0.2:*:*:*:*:*:*:*
4.0.3CPE matchmatch criteria
cpe:2.3:o:google:android:4.0.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
6.34%
Probability of exploitation in next 30 days
EPSS Percentile
92.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0634 is in the 88th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

googlevendor investigatingvia nvd_reference
View patch

References

roy.marples.name / projects/dhcpcd/info/76a1609352263bd9def1300d7ba990679571fa30
android.googlesource.com / platform/external/dhcpcd/+/1390ace71179f04a09c300ee8d0300aa69d9db09
h20566.www2.hp.com / portal/site/hpsc/public/kb/docDisplay
source.android.com / security/bulletin/2016-04-02.html
Vendor Advisory
security.gentoo.org / glsa/201606-07
securitytracker.com / id/1034601