HOMEVULNERABILITIESCVE-2026-1459
HIGH

CVE-2026-1459

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

7.2
CVSS v3.1
EPSS:0.06%probability of exploitation in 30 daysPercentile:17.5th

Official Description

A post-authentication command injection vulnerability in the TR-369 certificate download CGI program of the Zyxel VMG3625-T50B firmware versions through 5.50(ABPM.9.7)C0 could allow an authenticated attacker with administrator privileges to execute operating system (OS) commands on an affected device.

NVD Source

Technical Analysis

CVE-2026-1459 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

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 7.2.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.High
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

zyxel12 products
vmg8623-t50b firmwarevmg8623-t50bdx5401-b1 firmwaredx5401-b1emg3525-t50b firmwareemg3525-t50bemg5523-t50b firmwareemg5523-t50bvmg3625-t50b firmwarevmg3625-t50bvmg3625-t50c firmwarevmg3625-t50c
Source: NVD CPE · 12 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (1)

Quick Facts

CVE IDCVE-2026-1459
CVSS Score7.2 / 10
SeverityHIGH
WeaknessCWE-78
CISA KEVNo
EPSS (30d)0.06%
Affected1 vendor
PublishedFeb 24, 2026

Related CVEs (CWE-78)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2026-1459 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.