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CVE-2017-3824

18
FAUCET Score

CVE-2017-3824 is a denial-of-service vulnerability affecting Cisco cBR Series Converged Broadband Routers running specific versions of Cisco IOS XE. An unauthenticated, remote attacker can exploit a flaw in the handling of list headers to cause the device to reload. This vulnerability has a CVSS score of 6.8 (Medium), indicating it can be exploited remotely with high attack complexity, leading to a complete loss of availability. There is no known active exploitation, publicly available exploit code, or significant media coverage, though it has received some community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
3.16.0CPE matchmatch criteria
cpe:2.3:o:cisco:ios_xe:3.16.0:*:*:*:*:*:*:*
3.16.1CPE matchmatch criteria
cpe:2.3:o:cisco:ios_xe:3.16.1:*:*:*:*:*:*:*
3.17.0CPE matchmatch criteria
cpe:2.3:o:cisco:ios_xe:3.17.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.8MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.2
Impact Score
4.0
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.08%
Probability of exploitation in next 30 days
EPSS Percentile
79.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0208 is in the 66th percentile among its peer group of 19,958 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Vendor Patches (1)

ciscovendor investigatingvia nvd_reference
View patch

References

tools.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-20170201-cbr
Vendor Advisory
securityfocus.com / bid/95937
Third Party AdvisoryVDB Entry
securitytracker.com / id/1037774