CVE-2026-36538

HIGH

CVSS v3.1: 7.3 · EPSS: 0.0031 (23.1 percentile)

NetworkNo privilegesNo user interactionHard-coded Credentials

Source data as of:

At a glance

Severity
HIGH
CVSS
7.3 v3.1 · NVD
EPSS
0.0031 (23.1 percentile) · FIRST.org
CISA KEV
No
Type
Hard-coded Credentials · NVD CWE
Attack conditions (CVSS vector)
NetworkNo privilegesNo user interaction · Source: NVD Vector
Published
2026-05-27 · Modified: 2026-07-05
References
Jump to references (1)

CVSS / EPSS / KEV

CVSS v3.1 7.3 / 10 HIGH Source: NVD
EPSS 0.0031 23.1 percentile Source: FIRST.org
CISA KEV No Source: CISA

Source — CVSS: NVD · EPSS: FIRST.org · KEV: CISA. Data & Sources

Description

Netis AC1200 Router NC21 V4.0.1.4296 contains a hard-coded root credential stored in /etc/shadow.sample. The password for the root account is set to the trivially weak value root, allowing an attacker with access to the device to authenticate as root and gain full control of the underlying operating system.

Record details

CVE ID
CVE-2026-36538
CVSS (v3.1)
7.3 (HIGH)
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Exploitability subscore
3.9
Impact subscore
3.4
EPSS
0.0031 (23.1 percentile) — 2026-07-05
CISA KEV
No
Weakness (CWE)
CWE-798
Affected configurations (CPE)
0
Published
2026-05-27
Modified
2026-07-05
Status
Deferred

References

Reference URLs as listed by NVD, grouped by a mechanical match on the link's host/pattern. Labels describe the link type only.

Related records

Other records sharing a factual facet, for cross-reference. A descriptive neighbourhood — ordering does not imply priority and is not a recommendation.

Same weakness type (CWE)

CVE-2022-25521 CRITICAL CVSS 9.8 CVE-2023-23324 CRITICAL CVSS 9.8 CVE-2023-39808 CRITICAL CVSS 9.8 CVE-2024-35396 CRITICAL CVSS 9.8

Published the same year

CVE-2026-30278 CRITICAL CVSS 9.8 CVE-2026-30283 CRITICAL CVSS 9.8 CVE-2026-30352 CRITICAL CVSS 9.8 CVE-2026-30457 CRITICAL CVSS 9.8
← Back to all records