HOMEVULNERABILITIESCVE-2026-2525
MEDIUMPOC

CVE-2026-2525

CWE-404Published: February 16, 2026· Updated: Feb 19, 2026

5.3
CVSS v3.1
EPSS:0.06%probability of exploitation in 30 daysPercentile:17.9th

Official Description

A vulnerability has been found in Free5GC up to 4.1.0. This affects an unknown function of the component PFCP UDP Endpoint. Such manipulation leads to denial of service. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

NVD Source

Technical Analysis

CVE-2026-2525 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A proof-of-concept (PoC) exploit exists for CVE-2026-2525. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityLow
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected Vendors & Products

free5gc1 product
free5gc
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://github.com/free5gc/free5gc/issues/796
ADVISORYhttps://github.com/free5gc/free5gc/issues/796#issue-3812169865
ADVISORYhttps://vuldb.com/?id.346113
ADVISORYhttps://vuldb.com/?submit.739509

All References (6)

→
https://github.com/free5gc/free5gc/Product
→
https://github.com/free5gc/free5gc/issues/796Exploit · Issue Tracking · Vendor Advisory
→
https://github.com/free5gc/free5gc/issues/796#issue-3812169865Exploit · Issue Tracking · Vendor Advisory
→
https://vuldb.com/?ctiid.346113Permissions Required · VDB Entry
→
https://vuldb.com/?id.346113Third Party Advisory · VDB Entry
→
https://vuldb.com/?submit.739509Third Party Advisory · VDB Entry

Quick Facts

CVE IDCVE-2026-2525
CVSS Score5.3 / 10
SeverityMEDIUM
WeaknessCWE-404
CISA KEVNo
ExploitPOC
EPSS (30d)0.06%
Affected1 vendor
PublishedFeb 16, 2026

Related CVEs (CWE-404)

CVE-2026-1876
8.7
CVE-2026-11317
8.7
CVE-2026-1875
8.7
CVE-2026-45174
8.5
CVE-2026-2957
8.1
CVE-2026-8223
7.5

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-2525 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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