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CVE-2026-0711

OS command injection in Zyxel Dx3300 T0 Firmware

CVSS score

6.8

EPSS probability

%0.8

Risk score

0.1

Published

5 mo ago

OverviewPublic Exploits (0)NewsroomVulnerability Timeline
Patch status has not yet been verified

Resmî kaynaklarda yeterli kanıt bulunamadı. Bu sonuç “yama yok” anlamına gelmez.

Impact on My Inventory

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Vulnerability description

DayBreach CVE AI Research

CVE-2026-0711 has vendor, distribution, patch and security-source records on file. We can compare them and prepare an explanation linked to the evidence.

A post-authentication command injection vulnerability in the EasyMesh-related APIs of Zyxel DX3300-T0 firmware versions through 5.50(ABVY.7.1)C0 could allow an authenticated, adjacent attacker with administrator privileges to execute OS commands on an affected device.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-0711 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1zyxelnr5307 firmware View
2zyxelnr5307 View
3zyxelnebula fwa515 firmware View
4zyxelnebula fwa515 View
5zyxeldx3300-t0 firmware View
6zyxeldx3300-t0 View
7zyxeldx3300-t1 firmware View
8zyxeldx3300-t1 View
9zyxeldx3301-t0 firmware View
10zyxeldx3301-t0 View
11zyxeldx5401-b0 firmware View
12zyxeldx5401-b0 View
13zyxeldx5401-b1 firmware View
14zyxeldx5401-b1 View
15zyxelee3301-00 firmware View
16zyxelee3301-00 View
17zyxelee5301-00 firmware View
18zyxelee5301-00 View
19zyxelee6510-10 firmware View
20zyxelee6510-10 View
21zyxelemg3525-t50b firmware View
22zyxelemg3525-t50b View
23zyxelemg5523-t50b firmware View
24zyxelemg5523-t50b View
25zyxelex3300-t0 firmware View
26zyxelex3300-t0 View
27zyxelex3300-t1 firmware View
28zyxelex3300-t1 View
29zyxelex3301-t0 firmware View
30zyxelex3301-t0 View
31zyxelex3500-t0 firmware View
32zyxelex3500-t0 View
33zyxelex3501-t0 firmware View
34zyxelex3501-t0 View
35zyxelex3600-t0 firmware View
36zyxelex3600-t0 View
37zyxelex5401-b0 firmware View
38zyxelex5401-b0 View
39zyxelex5401-b1 firmware View
40zyxelex5401-b1 View
41zyxelex5512-t0 firmware View
42zyxelex5512-t0 View
43zyxelex5601-t0 firmware View
44zyxelex5601-t0 View
45zyxelex5601-t1 firmware View
46zyxelex5601-t1 View
47zyxelex7501-b0 firmware View
48zyxelex7501-b0 View
49zyxelvmg3625-t50b firmware View
50zyxelvmg3625-t50b View
51zyxelvmg8623-t50b firmware View
52zyxelvmg8623-t50b View
53zyxelax7501-b0 firmware View
54zyxelax7501-b0 View
55zyxelax7501-b1 firmware View
56zyxelax7501-b1 View
57zyxelpe3301-00 firmware View
58zyxelpe3301-00 View
59zyxelpe5301-01 firmware View
60zyxelpe5301-01 View
61zyxelpx5302-00 firmware View
62zyxelpx5302-00 View
63zyxelpx5301-t0 firmware View
64zyxelpx5301-t0 View
65zyxelwe3300-00 firmware View
66zyxelwe3300-00 View
67zyxelwx3100-t0 firmware View
68zyxelwx3100-t0 View
69zyxelwe4600-00 firmware View
70zyxelwe4600-00 View
71zyxelwx5600-t0 firmware View
72zyxelwx5600-t0 View
Total affected vendors: 1|Products: 72

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCOREVERSIONSEVERITYVECTORSOURCE
6.8CVSS V31MEDIUMCVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HNVD

Patch and Remediation Guide

Solution & Remediation Advisory

Patch status unknown

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Confirm the affected product and version against the source evidence above.
Restrict access to internet-facing services and apply network segmentation.
Until a patch is confirmed, follow the vendor advisory; do not read an unknown status as “no patch”.
Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-0711 is associated with the following CWEs:

CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-0711 weaknesses.

CAPEC-66: SQL InjectionCAPEC-126: Path TraversalCAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureBitişik ağ
PermissionsHigh
UserGerekmiyor

Official Sources and Advisories

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-command-injection-vulnerabilities-in-certain-4g-lte-5g-nr-cpe-dsl-ethernet-cpe-fiber-onts-and-wireless-extenders-04-28-2026vendor-advisory

CVSS Vector Radar Chart

6.8 / 10
Attack VectorAdjacentComplexityLowPrivilegesHighUser Interact.NoneConfidentialityLowIntegrityNoneAvailabilityHigh

Vulnerability Scoring Details

CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack VectorAdjacent network
Attack ComplexityLow
Privileges RequiredHigh privileges
User InteractionNone required
Confidentiality (Gizlilik)Low
Integrity (Bütünlük)None
Availability (Erişilebilirlik)High

Yama durumu bilinmiyor

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Follow the vendor

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Weakness Type (CWE & CAPEC)

CWE-78

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