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CVE-2018-17580

24
FAUCET Score

CVE-2018-17580 is a heap-based buffer over-read vulnerability in the fast_edit_packet() function of Tcpreplay v4.3.0 beta1, affecting broadcom tcpreplay. This vulnerability carries a CVSS v3 score of 7.1 (HIGH), indicating that an unauthenticated attacker could trigger Denial of Service and potentially Information Exposure by enticing a user to process a specially crafted pcap file. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

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

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 2026-07-28
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/485
ExploitPatchThird Party Advisory
github.com / SegfaultMasters/covering360/blob/master/tcpreplay
ExploitThird Party Advisory