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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2025-8804

25
FAUCET Score

CVE-2025-8804 is a reachable assertion vulnerability found in the ngap_build_downlink_nas_transport function of the AMF component in Open5GS versions up to 2.7.5. This high-severity vulnerability (CVSS 7.5) can be exploited remotely without authentication, leading to a denial of service. While a public exploit has been disclosed, there is no evidence of active exploitation, Metasploit modules, or significant community discussion. Organizations are strongly advised to upgrade to Open5GS version 2.7.6 to mitigate this risk.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.7.6CPE matchmatch criteria
cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

5.5MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/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
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
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
0.79%
Probability of exploitation in next 30 days
EPSS Percentile
52.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0079 is in the 28th percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 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 / open5gs/open5gs/commit/bca0a7b6e01d254f4223b83831162566d4626428
Patch
github.com / open5gs/open5gs/issues/3950
Issue Tracking
github.com / open5gs/open5gs/issues/3950
Issue Tracking
github.com / open5gs/open5gs/releases/tag/v2.7.6
Release Notes
github.com / user-attachments/files/21030801/newdata_for_ngap.zip
Exploit
github.com / ZHENGHAOHELLO/BugReport/blob/main/CVE-2025-8804
vuldb.com
Permissions RequiredVDB Entry
vuldb.com
Third Party AdvisoryVDB Entry
vuldb.com
vuldb.com
Third Party AdvisoryVDB Entry