CVE-2025-50706

CriticalPublic PoCRCE

Published: 05 August 2025

Published

05 August 2025

Modified

14 August 2025

KEV Added

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Patch

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CVSS Score 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Score 0.0169 82.4th percentile

Risk Priority 21 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-50706 is a critical-severity Code Injection (CWE-94) vulnerability in Thinkphp Thinkphp. Its CVSS base score is 9.8 (Critical).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked in the top 17.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

The strongest mitigations our analysis identified are NIST 800-53 SA-22 (Unsupported System Components) and SI-10 (Information Input Validation).

Threat & Defense at a Glance

What attackers do: exploitation maps to Exploit Public-Facing Application (T1190). What defenders deploy: see the NIST 800-53 controls recommended below.

Threat & Defense Details

Mitigating Controls (NIST 800-53 r5)AI

SI-2 Flaw Remediation good match

prevent

Timely flaw remediation directly addresses the code injection vulnerability in ThinkPHP 5.1's routecheck function by applying patches or upgrades to prevent arbitrary code execution.

SI-10 Information Input Validation good match

prevent

Information input validation checks and sanitizes inputs to the routecheck function, blocking malicious code injection attempts by remote attackers.

SA-22 Unsupported System Components good match

prevent

Prohibiting unsupported system components like ThinkPHP 5.1 prevents deployment and use of software known to contain critical code injection vulnerabilities.

MITRE ATT&CK Enterprise TechniquesAI

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 →

Why these techniques?

Direct unauthenticated RCE via code injection in public-facing ThinkPHP web app maps cleanly to exploitation of internet-facing software for initial access and arbitrary execution.

Confidence: HIGH · MITRE ATT&CK Enterprise v18.1

NVD Description

An issue in thinkphp v.5.1 allows a remote attacker to execute arbitrary code via the routecheck function

Deeper analysisAI

CVE-2025-50706 is a code injection vulnerability (CWE-94) in ThinkPHP version 5.1, enabling a remote attacker to execute arbitrary code through the routecheck function. Published on 2025-08-05, it carries a CVSS v3.1 base score of 9.8 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H), indicating critical severity due to its potential for complete system compromise.

Unauthenticated remote attackers can exploit this vulnerability over the network with low complexity and no user interaction required. Successful exploitation allows attackers to achieve high-impact effects on confidentiality, integrity, and availability, including full arbitrary code execution on the targeted ThinkPHP 5.1 instance.

Advisories referenced in the CVE include details on ThinkPHP 5.1 file inclusion issues under CNVD-2024-29981, with analysis available at https://xinyisleep.github.io/2024-04-24/Thinkphp5.1%E6%96%87%E4%BB%B6%E5%8C%85%E5%90%AB-CNVD-2024-29981, https://xinyisleep.github.io/CVE-2025-50706.md, and a duplicate of the first URL; these provide vulnerability breakdowns but no specific patch or mitigation guidance is detailed in the CVE inputs.