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CVE-2025-9019

21
FAUCET Score

CVE-2025-9019 describes a heap-based buffer overflow vulnerability in tcpreplay version 4.5.1, specifically within the mask_cidr6 function of the cidr.c file in the tcpprep component. This vulnerability carries a MEDIUM severity CVSS score of 5.9, indicating a remote attack vector with high complexity, but potentially leading to high availability impact. While public exploit disclosure exists, the maintainer states it was fixed in version 4.5.2, and there is no evidence of active exploitation, Metasploit modules, or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
4.5.1CPE matchmatch criteria
cpe:2.3:a:broadcom:tcpreplay:4.5.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

1.3LOW

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
VS Confidentiality
NONE
VS Integrity
NONE
VS Availability
LOW
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
PROOF_OF_CONCEPT
CvssVersion
4.0

Exploit Intelligence

EPSS Score
1.00%
Probability of exploitation in next 30 days
EPSS Percentile
59.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0100 is in the 18th percentile among its peer group of 19,956 CVEs.

Social Chatter

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

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

drive.google.com / file/d/13SQYVIb_YQoRfaJaaLf6iLtMiCRCHlBc/view
Exploit
github.com / appneta/tcpreplay/issues/958
ExploitIssue TrackingPatchVendor Advisory
github.com / appneta/tcpreplay/issues/958
ExploitIssue TrackingPatchVendor Advisory
github.com / appneta/tcpreplay/issues/959
ExploitIssue TrackingVendor Advisory
vuldb.com
Permissions RequiredVDB Entry
vuldb.com
Third Party AdvisoryVDB Entry
vuldb.com
ExploitThird Party AdvisoryVDB Entry
vuldb.com
ExploitThird Party AdvisoryVDB Entry
vuldb.com
ExploitThird Party AdvisoryVDB Entry
vuldb.com
ExploitThird Party AdvisoryVDB Entry
vuldb.com
ExploitThird Party AdvisoryVDB Entry