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CVE-2026-25804

28
FAUCET Score

CVE-2026-25804 is a critical arithmetic overflow vulnerability affecting Ant

Impacted Technologies

VendorProductVersion(s)CPE
< 2.3.2CPE matchmatch criteria
cpe:2.3:a:linuxfoundation:antrea:*:*:*:*:*:kubernetes:*:*
>= 2.4.0, < 2.4.3CPE matchmatch criteria
cpe:2.3:a:linuxfoundation:antrea:*:*:*:*:*:kubernetes:*:*

CVSS Data

CVSS version used by this source: 4.0

8.0HIGH

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:U/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
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
VS Confidentiality
HIGH
VS Integrity
HIGH
VS Availability
LOW
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
UNREPORTED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.44%
Probability of exploitation in next 30 days
EPSS Percentile
36.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0044 is in the 14th percentile among its peer group of 36,835 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

Patch Available

Vendor Patches (2)

gopatch availablevia ghsa
Product: antrea.io/antreaFixed in: 2.3.2
gopatch availablevia ghsa
Product: antrea.io/antreaFixed in: 2.4.3

Vendor Advisories (1)

goGHSA-86x4-wp9f-wrr9high

Antrea has invalid enforcement order for network policy rules caused by integer overflow

Feb 6, 2026

References

github.com / antrea-io/antrea/commit/86c4b6010f3be536866f339b632621c23d7186fa
Patch
github.com / antrea-io/antrea/pull/7496
Issue TrackingPatch
github.com / antrea-io/antrea/security/advisories/GHSA-86x4-wp9f-wrr9
PatchVendor Advisory