Cyber Resilience

CVE-2023-43850

Aten Pe6208 Firmware 2.3.228 – 2.4.239

Public PoC
Published
28 May 2024
Modified
30 May 2025
CVSS Score v3.1 6.5
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0057 44th percentile
Risk Priority 52 floored blend · peak EPSS

Summary

CVE-2023-43850 is a medium-severity Improper Validation of Syntactic Correctness of Input (CWE-1286) vulnerability in Aten Pe6208 Firmware. Its CVSS base score is 6.5 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 44th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

The strongest mitigations our analysis identified map to SI-10 (Information Input Validation) — see the control section below for these in your framework.

EU & UK References

Vulnerability Data

Improper input validation in the user management function of web interface in Aten PE6208 2.3.228 and 2.4.232 allows remote authenticated users to cause a partial DoS of web interface via HTTP POST request.

CWE(s)
CWE-1286

Related Threats

MITRE ATT&CK Enterprise Techniques

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
attack.mitre.org →
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2023-43844Same product: Aten Pe6208
CVE-2023-43846Same product: Aten Pe6208
CVE-2023-43842Same product: Aten Pe6208
CVE-2023-43843Same product: Aten Pe6208
CVE-2023-43849Same product: Aten Pe6208
CVE-2023-43847Same product: Aten Pe6208
CVE-2023-43848Same product: Aten Pe6208
CVE-2023-43845Same product: Aten Pe6208
CVE-2026-9778Same vendor: Aten
CVE-2026-9776Same vendor: Aten

Affected Assets

aten
pe6208 firmware
2.3.228 — 2.4.239

Mitigating Controls

Control response

Prevent
Stop it (NIST 800-53)

—

Detect
Catch it (NIST detect / respond)

—

Harden
Shrink the surface (DISA STIG)

—

Validate
Prove the fix (OWASP ASVS)
  • V1.1.1
  • V1.4.2
  • V2.1.1
  • V2.2.2

Mitigating Controls (NIST 800-53 r5) AI

SI-10 Information Input Validation good match

SI-10 requires validation of information inputs for correctness, directly stopping syntactic validation failures from being introduced or exploitable.

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.PS-06 mostly match
prevents

Secure SDLC practices directly require syntactic input validation to prevent malformed data handling.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

A.8.29 Security testing in development and acceptance mostly match
finds

Security testing in development catches missing or incorrect syntax validation.

A.8.25 Secure development life cycle partial match
prevents

Secure development life cycle mandates input validation to ensure syntactic correctness.

A.8.26 Application security requirements partial match
prevents

Application security requirements explicitly call for validation of input syntax.

A.8.27 Secure system architecture and engineering principles partial match
prevents

Secure architecture principles reduce the likelihood of missing syntactic checks.

A.8.28 Secure coding partial match
prevents

Secure coding standards directly require proper syntactic validation of all inputs.

References