HOMEVULNERABILITIESCVE-2025-13942
CRITICAL

CVE-2025-13942

CWE-78Published: February 24, 2026· Updated: Feb 25, 2026

9.8
CVSS v3.1
EPSS:0.34%probability of exploitation in 30 daysPercentile:56.3th

Official Description

A command injection vulnerability in the UPnP function of the Zyxel EX3510-B0 firmware versions through 5.17(ABUP.15.1)C0 could allow a remote attacker to execute operating system (OS) commands on an affected device by sending specially crafted UPnP SOAP requests.

NVD Source

Technical Analysis

CVE-2025-13942 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 successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

zyxel36 products
wx5610-b0 firmwarewx5610-b0lte3301-plus firmwarelte3301-plusnebula lte3301-plus firmwarenebula lte3301-plusnr7101 firmwarenr7101nebula nr7101 firmwarenebula nr7101dx4510-b0 firmwaredx4510-b0+24 more
Source: NVD CPE · 36 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-null-pointer-dereference-and-command-injection-vulnerabilities-in-certain-4g-lte-5g-nr-cpe-dsl-ethernet-cpe-fiber-onts-security-routers-and-wireless-extenders-02-24-2026

All References (1)

→
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-null-pointer-dereference-and-command-injection-vulnerabilities-in-certain-4g-lte-5g-nr-cpe-dsl-ethernet-cpe-fiber-onts-security-routers-and-wireless-extenders-02-24-2026Vendor Advisory

Quick Facts

CVE IDCVE-2025-13942
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-78
CISA KEVNo
EPSS (30d)0.34%
Affected1 vendor
PublishedFeb 24, 2026

Related CVEs (CWE-78)

CVE-2026-33478
KEV10.0
CVE-2026-34234
KEV10.0
CVE-2026-41553
10.0
CVE-2026-56415
10.0
CVE-2026-6349
10.0
CVE-2026-56413
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2025-13942 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.
← All Vulnerabilities·Search for CVE-2025-13942·NVD