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Xweb 300d Pro Firmware CVE-2026-22877

LOW
Path Traversal (CWE-22)
2026-02-27 ics-cert@hq.dhs.gov
Path Traversal Information Disclosure Xweb 300d Pro Firmware Xweb 500d Pro Firmware Xweb 500b Pro Firmware
3.7
CVSS 3.1 · NVD

Severity by source

NVD PRIMARY
3.7 LOW
AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
CVE Published
Feb 27, 2026 - 02:16 nvd
LOW 3.7

DescriptionCVE.org

An arbitrary file-read vulnerability exists in XWEB Pro version 1.12.1 and prior, enabling unauthenticated attackers to read arbitrary files on the system, and potentially causing a denial-of-service attack.

AnalysisAI

An arbitrary file-read vulnerability exists in XWEB Pro version 1.12.1 and prior, enabling unauthenticated attackers to read arbitrary files on the system, and potentially causing a denial-of-service attack. [CVSS 3.7 LOW]

Technical ContextAI

Classified as CWE-22 (Path Traversal). Affects Xweb 300D Pro Firmware. An arbitrary file-read vulnerability exists in XWEB Pro version 1.12.1 and prior, enabling unauthenticated attackers to read arbitrary files on the system, and potentially causing a denial-of-service attack.

RemediationAI

Monitor vendor advisories for a patch. Validate and sanitize file path inputs. Use allowlists. Restrict network access to the affected service where possible.

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Same weakness CWE-22 – Path Traversal

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CVE-2019-3396 CRITICAL POC
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CVE-2021-21972 CRITICAL POC
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CVE-2021-40444 HIGH POC
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CVE-2021-27065 HIGH POC
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CVE-2019-11510 CRITICAL POC
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CVE-2022-37042 CRITICAL POC
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Same technique Path Traversal

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CVE-2019-19781 CRITICAL POC
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CVE-2021-40444 HIGH POC
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CVE-2018-20250 HIGH POC
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CVE-2022-37042 CRITICAL POC
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CVE-2025-64446 CRITICAL POC
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CVE-2022-30333 HIGH POC
7.5

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CVE-2026-22877 vulnerability details – vuln.today
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