9.8

CVE-2025-13942: zyxel dx4510-b0_firmware OS Command Injection

CVSS: 9.8v3.1CriticalAnalyzed
Published 24-02-2026Last modified 26-02-2026
Open JSON

Vulnerability summary

CVE-2025-13942 is a critical (CVSS 9.8) OS Command Injection vulnerability in zyxel dx4510-b0_firmware. EPSS estimates a 1.10% chance of exploitation in the next 30 days, higher than 65.2% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
1.10%
0%100%
Low · +0.04 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 24-02-2026
    PublishedVulnerability first disclosed.
  2. 26-02-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

1.10%

Chance of exploitation in the next 30 days

Percentile

65%

Versus all other CVEs

30-day change

+0.04 pp

From 1.06% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.10%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Zyxel19 products

1 vendor · 19 products

References

1 links