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CVE-2018-17582

24
FAUCET Score

CVE-2018-17582 is a heap-based buffer over-read vulnerability in Tcpreplay v4.3.0 beta1, specifically within the get_next_packet() function due to unsafe use of memcpy(). This flaw can lead to Denial of Service (DoS) and potential Information Exposure. With a CVSS score of 7.1 (HIGH), it requires local access and user interaction (UI:R) to exploit, but has low attack complexity. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
4.3.0CPE matchmatch criteria
cpe:2.3:a:broadcom:tcpreplay:4.3.0:beta1:*:*:*:*:*:*
4.3.0CPE matchmatch criteria
cpe:2.3:a:broadcom:tcpreplay:4.3.0:beta2:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.1HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.2
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.21%
Probability of exploitation in next 30 days
EPSS Percentile
65.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0121 is in the 63rd percentile among its peer group of 11,621 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 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 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / appneta/tcpreplay/issues/484
ExploitPatchThird Party Advisory
github.com / SegfaultMasters/covering360/blob/master/tcpreplay
ExploitThird Party Advisory